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Finding the Fourth Proportional to 292,376.41, 403,479.33 and 158,240.41

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Solution

The fourth proportional to 292,376.41, 403,479.33 and 158,240.41 is: 218,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,376.41 : 403,479.33 = 158,240.41 : x
  2. Step 2: Convert to fraction form
    292,376.41/403,479.33 = 158,240.41/x
  3. Step 3: Cross multiply
    292,376.41x = 403,479.33 × 158,240.41
  4. Step 4: Simplify right side
    292,376.41x = 63,846,734,605.73
  5. Step 5: Solve for x
    x = 63,846,734,605.73/292,376.41
  6. Step 6: Final answer
    x = 218,371.70

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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.