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Finding the Fourth Proportional to 317,999.70, 476,999.55 and 224,687.70

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Solution

The fourth proportional to 317,999.70, 476,999.55 and 224,687.70 is: 337,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,999.70 : 476,999.55 = 224,687.70 : x
  2. Step 2: Convert to fraction form
    317,999.70/476,999.55 = 224,687.70/x
  3. Step 3: Cross multiply
    317,999.70x = 476,999.55 × 224,687.70
  4. Step 4: Simplify right side
    317,999.70x = 107,175,931,790.54
  5. Step 5: Solve for x
    x = 107,175,931,790.54/317,999.70
  6. Step 6: Final answer
    x = 337,031.55

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1.5x scale

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.