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Finding the Fourth Proportional to 344,956.62, 517,521.06 and 120,320.28

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Solution

The fourth proportional to 344,956.62, 517,521.06 and 120,320.28 is: 180,510.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,956.62 : 517,521.06 = 120,320.28 : x
  2. Step 2: Convert to fraction form
    344,956.62/517,521.06 = 120,320.28/x
  3. Step 3: Cross multiply
    344,956.62x = 517,521.06 × 120,320.28
  4. Step 4: Simplify right side
    344,956.62x = 62,268,278,845.10
  5. Step 5: Solve for x
    x = 62,268,278,845.10/344,956.62
  6. Step 6: Final answer
    x = 180,510.46

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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.