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Finding the Fourth Proportional to 583,236.75, 804,866.72 and 314,964.75

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Solution

The fourth proportional to 583,236.75, 804,866.72 and 314,964.75 is: 434,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,236.75 : 804,866.72 = 314,964.75 : x
  2. Step 2: Convert to fraction form
    583,236.75/804,866.72 = 314,964.75/x
  3. Step 3: Cross multiply
    583,236.75x = 804,866.72 × 314,964.75
  4. Step 4: Simplify right side
    583,236.75x = 253,504,645,248.12
  5. Step 5: Solve for x
    x = 253,504,645,248.12/583,236.75
  6. Step 6: Final answer
    x = 434,651.36

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Half scale
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Double scale
Find fourth proportional to 583,237.75, 804,868.10 and 314,965.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.