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Finding the Fourth Proportional to 296,052.60, 443,860.20 and 127,434.90

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Solution

The fourth proportional to 296,052.60, 443,860.20 and 127,434.90 is: 191,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,052.60 : 443,860.20 = 127,434.90 : x
  2. Step 2: Convert to fraction form
    296,052.60/443,860.20 = 127,434.90/x
  3. Step 3: Cross multiply
    296,052.60x = 443,860.20 × 127,434.90
  4. Step 4: Simplify right side
    296,052.60x = 56,563,280,200.98
  5. Step 5: Solve for x
    x = 56,563,280,200.98/296,052.60
  6. Step 6: Final answer
    x = 191,058.21

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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.