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Finding the Fourth Proportional to 270,016, 372,618.24 and 156,902.40

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Solution

The fourth proportional to 270,016, 372,618.24 and 156,902.40 is: 216,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,016 : 372,618.24 = 156,902.40 : x
  2. Step 2: Convert to fraction form
    270,016/372,618.24 = 156,902.40/x
  3. Step 3: Cross multiply
    270,016x = 372,618.24 × 156,902.40
  4. Step 4: Simplify right side
    270,016x = 58,464,696,139.78
  5. Step 5: Solve for x
    x = 58,464,696,139.78/270,016
  6. Step 6: Final answer
    x = 216,523.08

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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.