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Finding the Fourth Proportional to 296,294.40, 444,583.08 and 138,499.92

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Solution

The fourth proportional to 296,294.40, 444,583.08 and 138,499.92 is: 207,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,294.40 : 444,583.08 = 138,499.92 : x
  2. Step 2: Convert to fraction form
    296,294.40/444,583.08 = 138,499.92/x
  3. Step 3: Cross multiply
    296,294.40x = 444,583.08 × 138,499.92
  4. Step 4: Simplify right side
    296,294.40x = 61,574,721,013.35
  5. Step 5: Solve for x
    x = 61,574,721,013.35/296,294.40
  6. Step 6: Final answer
    x = 207,816.01

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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.