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Finding the Fourth Proportional to 488,332.20, 731,186.10 and 488,332.20

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Solution

The fourth proportional to 488,332.20, 731,186.10 and 488,332.20 is: 731,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,332.20 : 731,186.10 = 488,332.20 : x
  2. Step 2: Convert to fraction form
    488,332.20/731,186.10 = 488,332.20/x
  3. Step 3: Cross multiply
    488,332.20x = 731,186.10 × 488,332.20
  4. Step 4: Simplify right side
    488,332.20x = 357,061,716,822.42
  5. Step 5: Solve for x
    x = 357,061,716,822.42/488,332.20
  6. Step 6: Final answer
    x = 731,186.10

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1.5x scale

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.