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Finding the Fourth Proportional to 569,166.18, 785,449.60 and 314,517.36

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Solution

The fourth proportional to 569,166.18, 785,449.60 and 314,517.36 is: 434,034.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,166.18 : 785,449.60 = 314,517.36 : x
  2. Step 2: Convert to fraction form
    569,166.18/785,449.60 = 314,517.36/x
  3. Step 3: Cross multiply
    569,166.18x = 785,449.60 × 314,517.36
  4. Step 4: Simplify right side
    569,166.18x = 247,037,534,605.06
  5. Step 5: Solve for x
    x = 247,037,534,605.06/569,166.18
  6. Step 6: Final answer
    x = 434,034.11

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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.