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Finding the Fourth Proportional to 370,167.60, 555,251.40 and 133,546.80

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Solution

The fourth proportional to 370,167.60, 555,251.40 and 133,546.80 is: 200,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,167.60 : 555,251.40 = 133,546.80 : x
  2. Step 2: Convert to fraction form
    370,167.60/555,251.40 = 133,546.80/x
  3. Step 3: Cross multiply
    370,167.60x = 555,251.40 × 133,546.80
  4. Step 4: Simplify right side
    370,167.60x = 74,152,047,665.52
  5. Step 5: Solve for x
    x = 74,152,047,665.52/370,167.60
  6. Step 6: Final answer
    x = 200,320.20

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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.