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Finding the Fourth Proportional to 372,351.44, 558,527.19 and 172,645.55

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Solution

The fourth proportional to 372,351.44, 558,527.19 and 172,645.55 is: 258,968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,351.44 : 558,527.19 = 172,645.55 : x
  2. Step 2: Convert to fraction form
    372,351.44/558,527.19 = 172,645.55/x
  3. Step 3: Cross multiply
    372,351.44x = 558,527.19 × 172,645.55
  4. Step 4: Simplify right side
    372,351.44x = 96,427,233,907.50
  5. Step 5: Solve for x
    x = 96,427,233,907.50/372,351.44
  6. Step 6: Final answer
    x = 258,968.34

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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.