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Finding the Fourth Proportional to 296,058.60, 443,869.20 and 127,440.90

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Solution

The fourth proportional to 296,058.60, 443,869.20 and 127,440.90 is: 191,067.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,058.60 : 443,869.20 = 127,440.90 : x
  2. Step 2: Convert to fraction form
    296,058.60/443,869.20 = 127,440.90/x
  3. Step 3: Cross multiply
    296,058.60x = 443,869.20 × 127,440.90
  4. Step 4: Simplify right side
    296,058.60x = 56,567,090,330.28
  5. Step 5: Solve for x
    x = 56,567,090,330.28/296,058.60
  6. Step 6: Final answer
    x = 191,067.21

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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.