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Finding the Fourth Proportional to 413,540.32, 570,685.72 and 232,252.50

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Solution

The fourth proportional to 413,540.32, 570,685.72 and 232,252.50 is: 320,508.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,540.32 : 570,685.72 = 232,252.50 : x
  2. Step 2: Convert to fraction form
    413,540.32/570,685.72 = 232,252.50/x
  3. Step 3: Cross multiply
    413,540.32x = 570,685.72 × 232,252.50
  4. Step 4: Simplify right side
    413,540.32x = 132,543,185,184.30
  5. Step 5: Solve for x
    x = 132,543,185,184.30/413,540.32
  6. Step 6: Final answer
    x = 320,508.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.