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Finding the Fourth Proportional to 227,549.40, 341,712.90 and 149,011.80

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Solution

The fourth proportional to 227,549.40, 341,712.90 and 149,011.80 is: 223,772.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,549.40 : 341,712.90 = 149,011.80 : x
  2. Step 2: Convert to fraction form
    227,549.40/341,712.90 = 149,011.80/x
  3. Step 3: Cross multiply
    227,549.40x = 341,712.90 × 149,011.80
  4. Step 4: Simplify right side
    227,549.40x = 50,919,254,312.22
  5. Step 5: Solve for x
    x = 50,919,254,312.22/227,549.40
  6. Step 6: Final answer
    x = 223,772.31

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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.