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Finding the Fourth Proportional to 350,058.53, 525,115.40 and 172,468.73

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Solution

The fourth proportional to 350,058.53, 525,115.40 and 172,468.73 is: 258,716.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,058.53 : 525,115.40 = 172,468.73 : x
  2. Step 2: Convert to fraction form
    350,058.53/525,115.40 = 172,468.73/x
  3. Step 3: Cross multiply
    350,058.53x = 525,115.40 × 172,468.73
  4. Step 4: Simplify right side
    350,058.53x = 90,565,982,653.52
  5. Step 5: Solve for x
    x = 90,565,982,653.52/350,058.53
  6. Step 6: Final answer
    x = 258,716.69

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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.