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Finding the Fourth Proportional to 424,290.92, 636,713.24 and 158,264.24

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Solution

The fourth proportional to 424,290.92, 636,713.24 and 158,264.24 is: 237,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,290.92 : 636,713.24 = 158,264.24 : x
  2. Step 2: Convert to fraction form
    424,290.92/636,713.24 = 158,264.24/x
  3. Step 3: Cross multiply
    424,290.92x = 636,713.24 × 158,264.24
  4. Step 4: Simplify right side
    424,290.92x = 100,768,937,026.54
  5. Step 5: Solve for x
    x = 100,768,937,026.54/424,290.92
  6. Step 6: Final answer
    x = 237,499.63

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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.