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Finding the Fourth Proportional to 443,658.24, 665,599.62 and 123,810.07

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Solution

The fourth proportional to 443,658.24, 665,599.62 and 123,810.07 is: 185,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,658.24 : 665,599.62 = 123,810.07 : x
  2. Step 2: Convert to fraction form
    443,658.24/665,599.62 = 123,810.07/x
  3. Step 3: Cross multiply
    443,658.24x = 665,599.62 × 123,810.07
  4. Step 4: Simplify right side
    443,658.24x = 82,407,935,544.17
  5. Step 5: Solve for x
    x = 82,407,935,544.17/443,658.24
  6. Step 6: Final answer
    x = 185,746.43

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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.