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Finding the Fourth Proportional to 360,014.20, 540,021.30 and 224,711.80

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Solution

The fourth proportional to 360,014.20, 540,021.30 and 224,711.80 is: 337,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,014.20 : 540,021.30 = 224,711.80 : x
  2. Step 2: Convert to fraction form
    360,014.20/540,021.30 = 224,711.80/x
  3. Step 3: Cross multiply
    360,014.20x = 540,021.30 × 224,711.80
  4. Step 4: Simplify right side
    360,014.20x = 121,349,158,361.34
  5. Step 5: Solve for x
    x = 121,349,158,361.34/360,014.20
  6. Step 6: Final answer
    x = 337,067.70

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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.