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Finding the Fourth Proportional to 653,516.20, 980,043.90 and 232,805.80

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Solution

The fourth proportional to 653,516.20, 980,043.90 and 232,805.80 is: 349,126.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,516.20 : 980,043.90 = 232,805.80 : x
  2. Step 2: Convert to fraction form
    653,516.20/980,043.90 = 232,805.80/x
  3. Step 3: Cross multiply
    653,516.20x = 980,043.90 × 232,805.80
  4. Step 4: Simplify right side
    653,516.20x = 228,159,904,174.62
  5. Step 5: Solve for x
    x = 228,159,904,174.62/653,516.20
  6. Step 6: Final answer
    x = 349,126.62

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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.