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Finding the Fourth Proportional to 372,496.22, 558,744.33 and 306,565.82

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Solution

The fourth proportional to 372,496.22, 558,744.33 and 306,565.82 is: 459,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,496.22 : 558,744.33 = 306,565.82 : x
  2. Step 2: Convert to fraction form
    372,496.22/558,744.33 = 306,565.82/x
  3. Step 3: Cross multiply
    372,496.22x = 558,744.33 × 306,565.82
  4. Step 4: Simplify right side
    372,496.22x = 171,291,913,696.80
  5. Step 5: Solve for x
    x = 171,291,913,696.80/372,496.22
  6. Step 6: Final answer
    x = 459,848.73

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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.