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Finding the Fourth Proportional to 580,870.09, 871,646.43 and 243,884.82

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Solution

The fourth proportional to 580,870.09, 871,646.43 and 243,884.82 is: 365,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,870.09 : 871,646.43 = 243,884.82 : x
  2. Step 2: Convert to fraction form
    580,870.09/871,646.43 = 243,884.82/x
  3. Step 3: Cross multiply
    580,870.09x = 871,646.43 × 243,884.82
  4. Step 4: Simplify right side
    580,870.09x = 212,581,336,867.44
  5. Step 5: Solve for x
    x = 212,581,336,867.44/580,870.09
  6. Step 6: Final answer
    x = 365,970.54

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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.