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Finding the Fourth Proportional to 586,779.20, 880,363.20 and 187,481.60

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Solution

The fourth proportional to 586,779.20, 880,363.20 and 187,481.60 is: 281,284.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,779.20 : 880,363.20 = 187,481.60 : x
  2. Step 2: Convert to fraction form
    586,779.20/880,363.20 = 187,481.60/x
  3. Step 3: Cross multiply
    586,779.20x = 880,363.20 × 187,481.60
  4. Step 4: Simplify right side
    586,779.20x = 165,051,901,317.12
  5. Step 5: Solve for x
    x = 165,051,901,317.12/586,779.20
  6. Step 6: Final answer
    x = 281,284.51

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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.