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Finding the Fourth Proportional to 436,227.92, 602,015.88 and 245,301.20

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Solution

The fourth proportional to 436,227.92, 602,015.88 and 245,301.20 is: 338,527.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,227.92 : 602,015.88 = 245,301.20 : x
  2. Step 2: Convert to fraction form
    436,227.92/602,015.88 = 245,301.20/x
  3. Step 3: Cross multiply
    436,227.92x = 602,015.88 × 245,301.20
  4. Step 4: Simplify right side
    436,227.92x = 147,675,217,783.06
  5. Step 5: Solve for x
    x = 147,675,217,783.06/436,227.92
  6. Step 6: Final answer
    x = 338,527.66

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Double scale
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Similar ratio
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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.