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Finding the Fourth Proportional to 488,452.70, 732,851.85 and 471,172.70

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Solution

The fourth proportional to 488,452.70, 732,851.85 and 471,172.70 is: 706,925.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,452.70 : 732,851.85 = 471,172.70 : x
  2. Step 2: Convert to fraction form
    488,452.70/732,851.85 = 471,172.70/x
  3. Step 3: Cross multiply
    488,452.70x = 732,851.85 × 471,172.70
  4. Step 4: Simplify right side
    488,452.70x = 345,299,784,864.50
  5. Step 5: Solve for x
    x = 345,299,784,864.50/488,452.70
  6. Step 6: Final answer
    x = 706,925.74

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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.