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Finding the Fourth Proportional to 488,753,181.60, 733,129,772.40 and 165,637,053.60

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Solution

The fourth proportional to 488,753,181.60, 733,129,772.40 and 165,637,053.60 is: 248,455,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,753,181.60 : 733,129,772.40 = 165,637,053.60 : x
  2. Step 2: Convert to fraction form
    488,753,181.60/733,129,772.40 = 165,637,053.60/x
  3. Step 3: Cross multiply
    488,753,181.60x = 733,129,772.40 × 165,637,053.60
  4. Step 4: Simplify right side
    488,753,181.60x = 121,433,455,406,774,592
  5. Step 5: Solve for x
    x = 121,433,455,406,774,592/488,753,181.60
  6. Step 6: Final answer
    x = 248,455,580.40

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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.