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Finding the Fourth Proportional to 498,312.02, 747,587.10 and 161,353.04

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Solution

The fourth proportional to 498,312.02, 747,587.10 and 161,353.04 is: 242,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,312.02 : 747,587.10 = 161,353.04 : x
  2. Step 2: Convert to fraction form
    498,312.02/747,587.10 = 161,353.04/x
  3. Step 3: Cross multiply
    498,312.02x = 747,587.10 × 161,353.04
  4. Step 4: Simplify right side
    498,312.02x = 120,625,451,249.78
  5. Step 5: Solve for x
    x = 120,625,451,249.78/498,312.02
  6. Step 6: Final answer
    x = 242,068.11

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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.