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Finding the Fourth Proportional to 577,374,805.20, 865,054,438.20 and 496,753,237.20

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Solution

The fourth proportional to 577,374,805.20, 865,054,438.20 and 496,753,237.20 is: 744,262,805.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,374,805.20 : 865,054,438.20 = 496,753,237.20 : x
  2. Step 2: Convert to fraction form
    577,374,805.20/865,054,438.20 = 496,753,237.20/x
  3. Step 3: Cross multiply
    577,374,805.20x = 865,054,438.20 × 496,753,237.20
  4. Step 4: Simplify right side
    577,374,805.20x = 429,718,592,530,077,376
  5. Step 5: Solve for x
    x = 429,718,592,530,077,376/577,374,805.20
  6. Step 6: Final answer
    x = 744,262,805.82

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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.