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Finding the Fourth Proportional to 437,601.15, 656,343.41 and 122,031.63

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Solution

The fourth proportional to 437,601.15, 656,343.41 and 122,031.63 is: 183,031.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,601.15 : 656,343.41 = 122,031.63 : x
  2. Step 2: Convert to fraction form
    437,601.15/656,343.41 = 122,031.63/x
  3. Step 3: Cross multiply
    437,601.15x = 656,343.41 × 122,031.63
  4. Step 4: Simplify right side
    437,601.15x = 80,094,655,551.90
  5. Step 5: Solve for x
    x = 80,094,655,551.90/437,601.15
  6. Step 6: Final answer
    x = 183,031.18

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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.