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Finding the Fourth Proportional to 374,363.14, 561,602.78 and 158,222.79

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Solution

The fourth proportional to 374,363.14, 561,602.78 and 158,222.79 is: 237,358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,363.14 : 561,602.78 = 158,222.79 : x
  2. Step 2: Convert to fraction form
    374,363.14/561,602.78 = 158,222.79/x
  3. Step 3: Cross multiply
    374,363.14x = 561,602.78 × 158,222.79
  4. Step 4: Simplify right side
    374,363.14x = 88,858,358,723.36
  5. Step 5: Solve for x
    x = 88,858,358,723.36/374,363.14
  6. Step 6: Final answer
    x = 237,358.73

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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.