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Finding the Fourth Proportional to 250,979.31, 376,469.51 and 176,432.58

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Solution

The fourth proportional to 250,979.31, 376,469.51 and 176,432.58 is: 264,649.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,979.31 : 376,469.51 = 176,432.58 : x
  2. Step 2: Convert to fraction form
    250,979.31/376,469.51 = 176,432.58/x
  3. Step 3: Cross multiply
    250,979.31x = 376,469.51 × 176,432.58
  4. Step 4: Simplify right side
    250,979.31x = 66,421,486,058.47
  5. Step 5: Solve for x
    x = 66,421,486,058.47/250,979.31
  6. Step 6: Final answer
    x = 264,649.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.