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Finding the Fourth Proportional to 560,869,438, 773,985,565.20 and 313,352,651.20

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Solution

The fourth proportional to 560,869,438, 773,985,565.20 and 313,352,651.20 is: 432,418,692.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,869,438 : 773,985,565.20 = 313,352,651.20 : x
  2. Step 2: Convert to fraction form
    560,869,438/773,985,565.20 = 313,352,651.20/x
  3. Step 3: Cross multiply
    560,869,438x = 773,985,565.20 × 313,352,651.20
  4. Step 4: Simplify right side
    560,869,438x = 242,530,428,845,950,464
  5. Step 5: Solve for x
    x = 242,530,428,845,950,464/560,869,438
  6. Step 6: Final answer
    x = 432,418,692.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.