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Finding the Fourth Proportional to 583,323.13, 804,986.22 and 315,051.13

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Solution

The fourth proportional to 583,323.13, 804,986.22 and 315,051.13 is: 434,770.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,323.13 : 804,986.22 = 315,051.13 : x
  2. Step 2: Convert to fraction form
    583,323.13/804,986.22 = 315,051.13/x
  3. Step 3: Cross multiply
    583,323.13x = 804,986.22 × 315,051.13
  4. Step 4: Simplify right side
    583,323.13x = 253,611,818,245.43
  5. Step 5: Solve for x
    x = 253,611,818,245.43/583,323.13
  6. Step 6: Final answer
    x = 434,770.72

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Double scale
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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.