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Finding the Fourth Proportional to 625,204.80, 936,424.80 and 483,854.40

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Solution

The fourth proportional to 625,204.80, 936,424.80 and 483,854.40 is: 724,711.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,204.80 : 936,424.80 = 483,854.40 : x
  2. Step 2: Convert to fraction form
    625,204.80/936,424.80 = 483,854.40/x
  3. Step 3: Cross multiply
    625,204.80x = 936,424.80 × 483,854.40
  4. Step 4: Simplify right side
    625,204.80x = 453,093,259,749.12
  5. Step 5: Solve for x
    x = 453,093,259,749.12/625,204.80
  6. Step 6: Final answer
    x = 724,711.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.