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Finding the Fourth Proportional to 252,257,538.60, 377,668,862.55 and 252,257,538.60

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Solution

The fourth proportional to 252,257,538.60, 377,668,862.55 and 252,257,538.60 is: 377,668,862.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,257,538.60 : 377,668,862.55 = 252,257,538.60 : x
  2. Step 2: Convert to fraction form
    252,257,538.60/377,668,862.55 = 252,257,538.60/x
  3. Step 3: Cross multiply
    252,257,538.60x = 377,668,862.55 × 252,257,538.60
  4. Step 4: Simplify right side
    252,257,538.60x = 95,269,817,672,724,720
  5. Step 5: Solve for x
    x = 95,269,817,672,724,720/252,257,538.60
  6. Step 6: Final answer
    x = 377,668,862.55

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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.