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Finding the Fourth Proportional to 488,665.20, 732,997.80 and 488,665.20

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Solution

The fourth proportional to 488,665.20, 732,997.80 and 488,665.20 is: 732,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,665.20 : 732,997.80 = 488,665.20 : x
  2. Step 2: Convert to fraction form
    488,665.20/732,997.80 = 488,665.20/x
  3. Step 3: Cross multiply
    488,665.20x = 732,997.80 × 488,665.20
  4. Step 4: Simplify right side
    488,665.20x = 358,190,516,536.56
  5. Step 5: Solve for x
    x = 358,190,516,536.56/488,665.20
  6. Step 6: Final answer
    x = 732,997.80

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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.