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Finding the Fourth Proportional to 369,121,299.15, 553,681,948.73 and 369,121,299.15

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Solution

The fourth proportional to 369,121,299.15, 553,681,948.73 and 369,121,299.15 is: 553,681,948.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,121,299.15 : 553,681,948.73 = 369,121,299.15 : x
  2. Step 2: Convert to fraction form
    369,121,299.15/553,681,948.73 = 369,121,299.15/x
  3. Step 3: Cross multiply
    369,121,299.15x = 553,681,948.73 × 369,121,299.15
  4. Step 4: Simplify right side
    369,121,299.15x = 204,375,800,229,275,680
  5. Step 5: Solve for x
    x = 204,375,800,229,275,680/369,121,299.15
  6. Step 6: Final answer
    x = 553,681,948.73

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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.