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Finding the Fourth Proportional to 440,044.89, 607,245.71 and 238,836.57

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Solution

The fourth proportional to 440,044.89, 607,245.71 and 238,836.57 is: 329,585.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,044.89 : 607,245.71 = 238,836.57 : x
  2. Step 2: Convert to fraction form
    440,044.89/607,245.71 = 238,836.57/x
  3. Step 3: Cross multiply
    440,044.89x = 607,245.71 × 238,836.57
  4. Step 4: Simplify right side
    440,044.89x = 145,032,481,329.43
  5. Step 5: Solve for x
    x = 145,032,481,329.43/440,044.89
  6. Step 6: Final answer
    x = 329,585.65

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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.