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Finding the Fourth Proportional to 410,107.40, 615,161.10 and 283,480.10

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Solution

The fourth proportional to 410,107.40, 615,161.10 and 283,480.10 is: 425,220.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,107.40 : 615,161.10 = 283,480.10 : x
  2. Step 2: Convert to fraction form
    410,107.40/615,161.10 = 283,480.10/x
  3. Step 3: Cross multiply
    410,107.40x = 615,161.10 × 283,480.10
  4. Step 4: Simplify right side
    410,107.40x = 174,385,930,144.11
  5. Step 5: Solve for x
    x = 174,385,930,144.11/410,107.40
  6. Step 6: Final answer
    x = 425,220.15

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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.