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Finding the Fourth Proportional to 580,724.46, 871,043.64 and 243,751.50

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Solution

The fourth proportional to 580,724.46, 871,043.64 and 243,751.50 is: 365,609.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,724.46 : 871,043.64 = 243,751.50 : x
  2. Step 2: Convert to fraction form
    580,724.46/871,043.64 = 243,751.50/x
  3. Step 3: Cross multiply
    580,724.46x = 871,043.64 × 243,751.50
  4. Step 4: Simplify right side
    580,724.46x = 212,318,193,815.46
  5. Step 5: Solve for x
    x = 212,318,193,815.46/580,724.46
  6. Step 6: Final answer
    x = 365,609.18

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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.