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Finding the Fourth Proportional to 656,079.84, 984,419.61 and 296,346.87

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Solution

The fourth proportional to 656,079.84, 984,419.61 and 296,346.87 is: 444,655.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,079.84 : 984,419.61 = 296,346.87 : x
  2. Step 2: Convert to fraction form
    656,079.84/984,419.61 = 296,346.87/x
  3. Step 3: Cross multiply
    656,079.84x = 984,419.61 × 296,346.87
  4. Step 4: Simplify right side
    656,079.84x = 291,729,670,190.12
  5. Step 5: Solve for x
    x = 291,729,670,190.12/656,079.84
  6. Step 6: Final answer
    x = 444,655.75

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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.