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Finding the Fourth Proportional to 580,651.74, 870,977.28 and 181,326.74

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Solution

The fourth proportional to 580,651.74, 870,977.28 and 181,326.74 is: 271,990.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,651.74 : 870,977.28 = 181,326.74 : x
  2. Step 2: Convert to fraction form
    580,651.74/870,977.28 = 181,326.74/x
  3. Step 3: Cross multiply
    580,651.74x = 870,977.28 × 181,326.74
  4. Step 4: Simplify right side
    580,651.74x = 157,931,466,441.58
  5. Step 5: Solve for x
    x = 157,931,466,441.58/580,651.74
  6. Step 6: Final answer
    x = 271,990.00

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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.