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Finding the Fourth Proportional to 292,381.52, 403,494.36 and 177,621.12

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Solution

The fourth proportional to 292,381.52, 403,494.36 and 177,621.12 is: 245,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,381.52 : 403,494.36 = 177,621.12 : x
  2. Step 2: Convert to fraction form
    292,381.52/403,494.36 = 177,621.12/x
  3. Step 3: Cross multiply
    292,381.52x = 403,494.36 × 177,621.12
  4. Step 4: Simplify right side
    292,381.52x = 71,669,120,136.88
  5. Step 5: Solve for x
    x = 71,669,120,136.88/292,381.52
  6. Step 6: Final answer
    x = 245,121.92

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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.