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Finding the Fourth Proportional to 580,050.64, 870,074.28 and 159,326.92

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Solution

The fourth proportional to 580,050.64, 870,074.28 and 159,326.92 is: 238,989.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,050.64 : 870,074.28 = 159,326.92 : x
  2. Step 2: Convert to fraction form
    580,050.64/870,074.28 = 159,326.92/x
  3. Step 3: Cross multiply
    580,050.64x = 870,074.28 × 159,326.92
  4. Step 4: Simplify right side
    580,050.64x = 138,626,255,203.62
  5. Step 5: Solve for x
    x = 138,626,255,203.62/580,050.64
  6. Step 6: Final answer
    x = 238,989.92

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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.