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Finding the Fourth Proportional to 580,870.23, 871,646.67 and 243,884.97

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Solution

The fourth proportional to 580,870.23, 871,646.67 and 243,884.97 is: 365,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,870.23 : 871,646.67 = 243,884.97 : x
  2. Step 2: Convert to fraction form
    580,870.23/871,646.67 = 243,884.97/x
  3. Step 3: Cross multiply
    580,870.23x = 871,646.67 × 243,884.97
  4. Step 4: Simplify right side
    580,870.23x = 212,581,524,142.67
  5. Step 5: Solve for x
    x = 212,581,524,142.67/580,870.23
  6. Step 6: Final answer
    x = 365,970.77

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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.