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Finding the Fourth Proportional to 315,793.14, 435,794.08 and 179,827.13

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Solution

The fourth proportional to 315,793.14, 435,794.08 and 179,827.13 is: 248,161.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,793.14 : 435,794.08 = 179,827.13 : x
  2. Step 2: Convert to fraction form
    315,793.14/435,794.08 = 179,827.13/x
  3. Step 3: Cross multiply
    315,793.14x = 435,794.08 × 179,827.13
  4. Step 4: Simplify right side
    315,793.14x = 78,367,598,677.39
  5. Step 5: Solve for x
    x = 78,367,598,677.39/315,793.14
  6. Step 6: Final answer
    x = 248,161.18

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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.