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Finding the Fourth Proportional to 709,535.68, 979,973.76 and 516,802.04

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Solution

The fourth proportional to 709,535.68, 979,973.76 and 516,802.04 is: 713,780.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,535.68 : 979,973.76 = 516,802.04 : x
  2. Step 2: Convert to fraction form
    709,535.68/979,973.76 = 516,802.04/x
  3. Step 3: Cross multiply
    709,535.68x = 979,973.76 × 516,802.04
  4. Step 4: Simplify right side
    709,535.68x = 506,452,438,314.47
  5. Step 5: Solve for x
    x = 506,452,438,314.47/709,535.68
  6. Step 6: Final answer
    x = 713,780.09

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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.