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Finding the Fourth Proportional to 580,749.52, 871,678.38 and 356,547.85

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Solution

The fourth proportional to 580,749.52, 871,678.38 and 356,547.85 is: 535,161.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,749.52 : 871,678.38 = 356,547.85 : x
  2. Step 2: Convert to fraction form
    580,749.52/871,678.38 = 356,547.85/x
  3. Step 3: Cross multiply
    580,749.52x = 871,678.38 × 356,547.85
  4. Step 4: Simplify right side
    580,749.52x = 310,795,050,411.30
  5. Step 5: Solve for x
    x = 310,795,050,411.30/580,749.52
  6. Step 6: Final answer
    x = 535,161.96

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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.