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Finding the Fourth Proportional to 272,219.38, 375,661.50 and 151,353.46

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Solution

The fourth proportional to 272,219.38, 375,661.50 and 151,353.46 is: 208,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,219.38 : 375,661.50 = 151,353.46 : x
  2. Step 2: Convert to fraction form
    272,219.38/375,661.50 = 151,353.46/x
  3. Step 3: Cross multiply
    272,219.38x = 375,661.50 × 151,353.46
  4. Step 4: Simplify right side
    272,219.38x = 56,857,667,715.79
  5. Step 5: Solve for x
    x = 56,857,667,715.79/272,219.38
  6. Step 6: Final answer
    x = 208,867.08

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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.