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Finding the Fourth Proportional to 580,431.18, 870,652.17 and 175,626.57

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Solution

The fourth proportional to 580,431.18, 870,652.17 and 175,626.57 is: 263,441.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,431.18 : 870,652.17 = 175,626.57 : x
  2. Step 2: Convert to fraction form
    580,431.18/870,652.17 = 175,626.57/x
  3. Step 3: Cross multiply
    580,431.18x = 870,652.17 × 175,626.57
  4. Step 4: Simplify right side
    580,431.18x = 152,909,654,280.16
  5. Step 5: Solve for x
    x = 152,909,654,280.16/580,431.18
  6. Step 6: Final answer
    x = 263,441.49

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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.