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Finding the Fourth Proportional to 580,442.04, 870,999.21 and 243,452.70

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Solution

The fourth proportional to 580,442.04, 870,999.21 and 243,452.70 is: 365,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,442.04 : 870,999.21 = 243,452.70 : x
  2. Step 2: Convert to fraction form
    580,442.04/870,999.21 = 243,452.70/x
  3. Step 3: Cross multiply
    580,442.04x = 870,999.21 × 243,452.70
  4. Step 4: Simplify right side
    580,442.04x = 212,047,109,372.37
  5. Step 5: Solve for x
    x = 212,047,109,372.37/580,442.04
  6. Step 6: Final answer
    x = 365,320.04

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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.