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Finding the Fourth Proportional to 402,269.52, 555,114 and 241,213.44

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Solution

The fourth proportional to 402,269.52, 555,114 and 241,213.44 is: 332,863.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,269.52 : 555,114 = 241,213.44 : x
  2. Step 2: Convert to fraction form
    402,269.52/555,114 = 241,213.44/x
  3. Step 3: Cross multiply
    402,269.52x = 555,114 × 241,213.44
  4. Step 4: Simplify right side
    402,269.52x = 133,900,957,532.16
  5. Step 5: Solve for x
    x = 133,900,957,532.16/402,269.52
  6. Step 6: Final answer
    x = 332,863.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.