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Finding the Fourth Proportional to 434,700.20, 651,791.10 and 224,748.20

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Solution

The fourth proportional to 434,700.20, 651,791.10 and 224,748.20 is: 336,988.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,700.20 : 651,791.10 = 224,748.20 : x
  2. Step 2: Convert to fraction form
    434,700.20/651,791.10 = 224,748.20/x
  3. Step 3: Cross multiply
    434,700.20x = 651,791.10 × 224,748.20
  4. Step 4: Simplify right side
    434,700.20x = 146,488,876,501.02
  5. Step 5: Solve for x
    x = 146,488,876,501.02/434,700.20
  6. Step 6: Final answer
    x = 336,988.29

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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.