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Finding the Fourth Proportional to 296,617.92, 444,926.88 and 138,957.12

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Solution

The fourth proportional to 296,617.92, 444,926.88 and 138,957.12 is: 208,435.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,617.92 : 444,926.88 = 138,957.12 : x
  2. Step 2: Convert to fraction form
    296,617.92/444,926.88 = 138,957.12/x
  3. Step 3: Cross multiply
    296,617.92x = 444,926.88 × 138,957.12
  4. Step 4: Simplify right side
    296,617.92x = 61,825,757,855.39
  5. Step 5: Solve for x
    x = 61,825,757,855.39/296,617.92
  6. Step 6: Final answer
    x = 208,435.68

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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.