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Finding the Fourth Proportional to 647,919.19, 972,174.17 and 332,597.71

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Solution

The fourth proportional to 647,919.19, 972,174.17 and 332,597.71 is: 499,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,919.19 : 972,174.17 = 332,597.71 : x
  2. Step 2: Convert to fraction form
    647,919.19/972,174.17 = 332,597.71/x
  3. Step 3: Cross multiply
    647,919.19x = 972,174.17 × 332,597.71
  4. Step 4: Simplify right side
    647,919.19x = 323,342,902,663.15
  5. Step 5: Solve for x
    x = 323,342,902,663.15/647,919.19
  6. Step 6: Final answer
    x = 499,048.20

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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.