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Finding the Fourth Proportional to 441,646.88, 609,472.76 and 240,442.88

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Solution

The fourth proportional to 441,646.88, 609,472.76 and 240,442.88 is: 331,811.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,646.88 : 609,472.76 = 240,442.88 : x
  2. Step 2: Convert to fraction form
    441,646.88/609,472.76 = 240,442.88/x
  3. Step 3: Cross multiply
    441,646.88x = 609,472.76 × 240,442.88
  4. Step 4: Simplify right side
    441,646.88x = 146,543,385,695.95
  5. Step 5: Solve for x
    x = 146,543,385,695.95/441,646.88
  6. Step 6: Final answer
    x = 331,811.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.