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Finding the Fourth Proportional to 270,957.84, 373,845.45 and 156,227.46

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Solution

The fourth proportional to 270,957.84, 373,845.45 and 156,227.46 is: 215,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,957.84 : 373,845.45 = 156,227.46 : x
  2. Step 2: Convert to fraction form
    270,957.84/373,845.45 = 156,227.46/x
  3. Step 3: Cross multiply
    270,957.84x = 373,845.45 × 156,227.46
  4. Step 4: Simplify right side
    270,957.84x = 58,404,925,086.06
  5. Step 5: Solve for x
    x = 58,404,925,086.06/270,957.84
  6. Step 6: Final answer
    x = 215,549.86

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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.