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Finding the Fourth Proportional to 240,326.65, 331,656.45 and 132,898.78

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Solution

The fourth proportional to 240,326.65, 331,656.45 and 132,898.78 is: 183,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,326.65 : 331,656.45 = 132,898.78 : x
  2. Step 2: Convert to fraction form
    240,326.65/331,656.45 = 132,898.78/x
  3. Step 3: Cross multiply
    240,326.65x = 331,656.45 × 132,898.78
  4. Step 4: Simplify right side
    240,326.65x = 44,076,737,584.13
  5. Step 5: Solve for x
    x = 44,076,737,584.13/240,326.65
  6. Step 6: Final answer
    x = 183,403.45

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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.