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Finding the Fourth Proportional to 580,346.26, 870,999.10 and 296,246.72

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Solution

The fourth proportional to 580,346.26, 870,999.10 and 296,246.72 is: 444,614.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,346.26 : 870,999.10 = 296,246.72 : x
  2. Step 2: Convert to fraction form
    580,346.26/870,999.10 = 296,246.72/x
  3. Step 3: Cross multiply
    580,346.26x = 870,999.10 × 296,246.72
  4. Step 4: Simplify right side
    580,346.26x = 258,030,626,497.95
  5. Step 5: Solve for x
    x = 258,030,626,497.95/580,346.26
  6. Step 6: Final answer
    x = 444,614.96

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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.