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Finding the Fourth Proportional to 360,031.10, 540,046.65 and 226,478.30

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Solution

The fourth proportional to 360,031.10, 540,046.65 and 226,478.30 is: 339,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,031.10 : 540,046.65 = 226,478.30 : x
  2. Step 2: Convert to fraction form
    360,031.10/540,046.65 = 226,478.30/x
  3. Step 3: Cross multiply
    360,031.10x = 540,046.65 × 226,478.30
  4. Step 4: Simplify right side
    360,031.10x = 122,308,847,212.70
  5. Step 5: Solve for x
    x = 122,308,847,212.70/360,031.10
  6. Step 6: Final answer
    x = 339,717.45

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Similar ratio
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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.