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Finding the Fourth Proportional to 467,146.34, 644,661.79 and 252,286.45

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Solution

The fourth proportional to 467,146.34, 644,661.79 and 252,286.45 is: 348,155.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,146.34 : 644,661.79 = 252,286.45 : x
  2. Step 2: Convert to fraction form
    467,146.34/644,661.79 = 252,286.45/x
  3. Step 3: Cross multiply
    467,146.34x = 644,661.79 × 252,286.45
  4. Step 4: Simplify right side
    467,146.34x = 162,639,432,207.38
  5. Step 5: Solve for x
    x = 162,639,432,207.38/467,146.34
  6. Step 6: Final answer
    x = 348,155.21

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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.