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Finding the Fourth Proportional to 238,557,631.80, 357,332,562.90 and 238,557,631.80

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Solution

The fourth proportional to 238,557,631.80, 357,332,562.90 and 238,557,631.80 is: 357,332,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,557,631.80 : 357,332,562.90 = 238,557,631.80 : x
  2. Step 2: Convert to fraction form
    238,557,631.80/357,332,562.90 = 238,557,631.80/x
  3. Step 3: Cross multiply
    238,557,631.80x = 357,332,562.90 × 238,557,631.80
  4. Step 4: Simplify right side
    238,557,631.80x = 85,244,409,970,448,544
  5. Step 5: Solve for x
    x = 85,244,409,970,448,544/238,557,631.80
  6. Step 6: Final answer
    x = 357,332,562.90

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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.