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Finding the Fourth Proportional to 360,141.12, 496,402.02 and 255,400.02

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Solution

The fourth proportional to 360,141.12, 496,402.02 and 255,400.02 is: 352,031.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,141.12 : 496,402.02 = 255,400.02 : x
  2. Step 2: Convert to fraction form
    360,141.12/496,402.02 = 255,400.02/x
  3. Step 3: Cross multiply
    360,141.12x = 496,402.02 × 255,400.02
  4. Step 4: Simplify right side
    360,141.12x = 126,781,085,836.04
  5. Step 5: Solve for x
    x = 126,781,085,836.04/360,141.12
  6. Step 6: Final answer
    x = 352,031.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.