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Finding the Fourth Proportional to 358,668,114.53, 538,002,171.79 and 358,668,114.53

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Solution

The fourth proportional to 358,668,114.53, 538,002,171.79 and 358,668,114.53 is: 538,002,171.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,668,114.53 : 538,002,171.79 = 358,668,114.53 : x
  2. Step 2: Convert to fraction form
    358,668,114.53/538,002,171.79 = 358,668,114.53/x
  3. Step 3: Cross multiply
    358,668,114.53x = 538,002,171.79 × 358,668,114.53
  4. Step 4: Simplify right side
    358,668,114.53x = 192,964,224,565,377,760
  5. Step 5: Solve for x
    x = 192,964,224,565,377,760/358,668,114.53
  6. Step 6: Final answer
    x = 538,002,171.79

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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.