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Finding the Fourth Proportional to 577,374,782.70, 865,054,404.45 and 496,753,214.70

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Solution

The fourth proportional to 577,374,782.70, 865,054,404.45 and 496,753,214.70 is: 744,262,772.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,374,782.70 : 865,054,404.45 = 496,753,214.70 : x
  2. Step 2: Convert to fraction form
    577,374,782.70/865,054,404.45 = 496,753,214.70/x
  3. Step 3: Cross multiply
    577,374,782.70x = 865,054,404.45 × 496,753,214.70
  4. Step 4: Simplify right side
    577,374,782.70x = 429,718,556,300,931,520
  5. Step 5: Solve for x
    x = 429,718,556,300,931,520/577,374,782.70
  6. Step 6: Final answer
    x = 744,262,772.08

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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.