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Finding the Fourth Proportional to 488,003.70, 732,005.55 and 469,341.30

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Solution

The fourth proportional to 488,003.70, 732,005.55 and 469,341.30 is: 704,011.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,003.70 : 732,005.55 = 469,341.30 : x
  2. Step 2: Convert to fraction form
    488,003.70/732,005.55 = 469,341.30/x
  3. Step 3: Cross multiply
    488,003.70x = 732,005.55 × 469,341.30
  4. Step 4: Simplify right side
    488,003.70x = 343,560,436,444.22
  5. Step 5: Solve for x
    x = 343,560,436,444.22/488,003.70
  6. Step 6: Final answer
    x = 704,011.95

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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.