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Finding the Fourth Proportional to 656,624.40, 984,171.15 and 301,674.30

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Solution

The fourth proportional to 656,624.40, 984,171.15 and 301,674.30 is: 452,159.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,624.40 : 984,171.15 = 301,674.30 : x
  2. Step 2: Convert to fraction form
    656,624.40/984,171.15 = 301,674.30/x
  3. Step 3: Cross multiply
    656,624.40x = 984,171.15 × 301,674.30
  4. Step 4: Simplify right side
    656,624.40x = 296,899,142,756.45
  5. Step 5: Solve for x
    x = 296,899,142,756.45/656,624.40
  6. Step 6: Final answer
    x = 452,159.78

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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.