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Finding the Fourth Proportional to 465,079.80, 697,619.70 and 149,568.60

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Solution

The fourth proportional to 465,079.80, 697,619.70 and 149,568.60 is: 224,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,079.80 : 697,619.70 = 149,568.60 : x
  2. Step 2: Convert to fraction form
    465,079.80/697,619.70 = 149,568.60/x
  3. Step 3: Cross multiply
    465,079.80x = 697,619.70 × 149,568.60
  4. Step 4: Simplify right side
    465,079.80x = 104,342,001,861.42
  5. Step 5: Solve for x
    x = 104,342,001,861.42/465,079.80
  6. Step 6: Final answer
    x = 224,352.90

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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.