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Finding the Fourth Proportional to 326,092,209.60, 488,819,449.80 and 291,654,832.80

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Solution

The fourth proportional to 326,092,209.60, 488,819,449.80 and 291,654,832.80 is: 437,197,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,092,209.60 : 488,819,449.80 = 291,654,832.80 : x
  2. Step 2: Convert to fraction form
    326,092,209.60/488,819,449.80 = 291,654,832.80/x
  3. Step 3: Cross multiply
    326,092,209.60x = 488,819,449.80 × 291,654,832.80
  4. Step 4: Simplify right side
    326,092,209.60x = 142,566,554,900,807,008
  5. Step 5: Solve for x
    x = 142,566,554,900,807,008/326,092,209.60
  6. Step 6: Final answer
    x = 437,197,058.70

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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.