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Finding the Fourth Proportional to 319,088.38, 478,773.91 and 167,249.37

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Solution

The fourth proportional to 319,088.38, 478,773.91 and 167,249.37 is: 250,948.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,088.38 : 478,773.91 = 167,249.37 : x
  2. Step 2: Convert to fraction form
    319,088.38/478,773.91 = 167,249.37/x
  3. Step 3: Cross multiply
    319,088.38x = 478,773.91 × 167,249.37
  4. Step 4: Simplify right side
    319,088.38x = 80,074,634,401.81
  5. Step 5: Solve for x
    x = 80,074,634,401.81/319,088.38
  6. Step 6: Final answer
    x = 250,948.14

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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.