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Finding the Fourth Proportional to 542,895.40, 814,440.30 and 227,384.20

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Solution

The fourth proportional to 542,895.40, 814,440.30 and 227,384.20 is: 341,117.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,895.40 : 814,440.30 = 227,384.20 : x
  2. Step 2: Convert to fraction form
    542,895.40/814,440.30 = 227,384.20/x
  3. Step 3: Cross multiply
    542,895.40x = 814,440.30 × 227,384.20
  4. Step 4: Simplify right side
    542,895.40x = 185,190,856,063.26
  5. Step 5: Solve for x
    x = 185,190,856,063.26/542,895.40
  6. Step 6: Final answer
    x = 341,117.01

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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.