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Finding the Fourth Proportional to 488,002.20, 732,003.30 and 346,284.60

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Solution

The fourth proportional to 488,002.20, 732,003.30 and 346,284.60 is: 519,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,002.20 : 732,003.30 = 346,284.60 : x
  2. Step 2: Convert to fraction form
    488,002.20/732,003.30 = 346,284.60/x
  3. Step 3: Cross multiply
    488,002.20x = 732,003.30 × 346,284.60
  4. Step 4: Simplify right side
    488,002.20x = 253,481,469,939.18
  5. Step 5: Solve for x
    x = 253,481,469,939.18/488,002.20
  6. Step 6: Final answer
    x = 519,426.90

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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.