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Finding the Fourth Proportional to 344,963.65, 517,531.59 and 120,327.31

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Solution

The fourth proportional to 344,963.65, 517,531.59 and 120,327.31 is: 180,521.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,963.65 : 517,531.59 = 120,327.31 : x
  2. Step 2: Convert to fraction form
    344,963.65/517,531.59 = 120,327.31/x
  3. Step 3: Cross multiply
    344,963.65x = 517,531.59 × 120,327.31
  4. Step 4: Simplify right side
    344,963.65x = 62,273,184,064.72
  5. Step 5: Solve for x
    x = 62,273,184,064.72/344,963.65
  6. Step 6: Final answer
    x = 180,521.00

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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.