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Finding the Fourth Proportional to 707,755.28, 977,637.06 and 524,366.42

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Solution

The fourth proportional to 707,755.28, 977,637.06 and 524,366.42 is: 724,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,755.28 : 977,637.06 = 524,366.42 : x
  2. Step 2: Convert to fraction form
    707,755.28/977,637.06 = 524,366.42/x
  3. Step 3: Cross multiply
    707,755.28x = 977,637.06 × 524,366.42
  4. Step 4: Simplify right side
    707,755.28x = 512,640,040,323.34
  5. Step 5: Solve for x
    x = 512,640,040,323.34/707,755.28
  6. Step 6: Final answer
    x = 724,318.22

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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.