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Finding the Fourth Proportional to 360,020.20, 540,030.30 and 224,717.80

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Solution

The fourth proportional to 360,020.20, 540,030.30 and 224,717.80 is: 337,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,020.20 : 540,030.30 = 224,717.80 : x
  2. Step 2: Convert to fraction form
    360,020.20/540,030.30 = 224,717.80/x
  3. Step 3: Cross multiply
    360,020.20x = 540,030.30 × 224,717.80
  4. Step 4: Simplify right side
    360,020.20x = 121,354,420,949.34
  5. Step 5: Solve for x
    x = 121,354,420,949.34/360,020.20
  6. Step 6: Final answer
    x = 337,076.70

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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.