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Finding the Fourth Proportional to 461,711.20, 692,566.80 and 146,192.80

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Solution

The fourth proportional to 461,711.20, 692,566.80 and 146,192.80 is: 219,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,711.20 : 692,566.80 = 146,192.80 : x
  2. Step 2: Convert to fraction form
    461,711.20/692,566.80 = 146,192.80/x
  3. Step 3: Cross multiply
    461,711.20x = 692,566.80 × 146,192.80
  4. Step 4: Simplify right side
    461,711.20x = 101,248,279,679.04
  5. Step 5: Solve for x
    x = 101,248,279,679.04/461,711.20
  6. Step 6: Final answer
    x = 219,289.20

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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.