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Finding the Fourth Proportional to 580,483.62, 871,061.67 and 243,494.28

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Solution

The fourth proportional to 580,483.62, 871,061.67 and 243,494.28 is: 365,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,483.62 : 871,061.67 = 243,494.28 : x
  2. Step 2: Convert to fraction form
    580,483.62/871,061.67 = 243,494.28/x
  3. Step 3: Cross multiply
    580,483.62x = 871,061.67 × 243,494.28
  4. Step 4: Simplify right side
    580,483.62x = 212,098,534,172.25
  5. Step 5: Solve for x
    x = 212,098,534,172.25/580,483.62
  6. Step 6: Final answer
    x = 365,382.46

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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.