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Finding the Fourth Proportional to 521,732,055.90, 731,499,832.50 and 521,732,055.90

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Solution

The fourth proportional to 521,732,055.90, 731,499,832.50 and 521,732,055.90 is: 731,499,832.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,732,055.90 : 731,499,832.50 = 521,732,055.90 : x
  2. Step 2: Convert to fraction form
    521,732,055.90/731,499,832.50 = 521,732,055.90/x
  3. Step 3: Cross multiply
    521,732,055.90x = 731,499,832.50 × 521,732,055.90
  4. Step 4: Simplify right side
    521,732,055.90x = 381,646,911,500,730,624
  5. Step 5: Solve for x
    x = 381,646,911,500,730,624/521,732,055.90
  6. Step 6: Final answer
    x = 731,499,832.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.