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Finding the Fourth Proportional to 540,103.40, 809,507.10 and 224,397.80

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Solution

The fourth proportional to 540,103.40, 809,507.10 and 224,397.80 is: 336,327.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,103.40 : 809,507.10 = 224,397.80 : x
  2. Step 2: Convert to fraction form
    540,103.40/809,507.10 = 224,397.80/x
  3. Step 3: Cross multiply
    540,103.40x = 809,507.10 × 224,397.80
  4. Step 4: Simplify right side
    540,103.40x = 181,651,612,324.38
  5. Step 5: Solve for x
    x = 181,651,612,324.38/540,103.40
  6. Step 6: Final answer
    x = 336,327.47

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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.