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Finding the Fourth Proportional to 465,330.20, 698,116.80 and 149,794.70

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Solution

The fourth proportional to 465,330.20, 698,116.80 and 149,794.70 is: 224,731.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,330.20 : 698,116.80 = 149,794.70 : x
  2. Step 2: Convert to fraction form
    465,330.20/698,116.80 = 149,794.70/x
  3. Step 3: Cross multiply
    465,330.20x = 698,116.80 × 149,794.70
  4. Step 4: Simplify right side
    465,330.20x = 104,574,196,620.96
  5. Step 5: Solve for x
    x = 104,574,196,620.96/465,330.20
  6. Step 6: Final answer
    x = 224,731.16

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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.