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Finding the Fourth Proportional to 521,734.90, 732,003.50 and 521,734.90

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Solution

The fourth proportional to 521,734.90, 732,003.50 and 521,734.90 is: 732,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,734.90 : 732,003.50 = 521,734.90 : x
  2. Step 2: Convert to fraction form
    521,734.90/732,003.50 = 521,734.90/x
  3. Step 3: Cross multiply
    521,734.90x = 732,003.50 × 521,734.90
  4. Step 4: Simplify right side
    521,734.90x = 381,911,772,872.15
  5. Step 5: Solve for x
    x = 381,911,772,872.15/521,734.90
  6. Step 6: Final answer
    x = 732,003.50

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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.