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Finding the Fourth Proportional to 374,207.78, 561,732.35 and 149,726.62

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Solution

The fourth proportional to 374,207.78, 561,732.35 and 149,726.62 is: 224,758.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,207.78 : 561,732.35 = 149,726.62 : x
  2. Step 2: Convert to fraction form
    374,207.78/561,732.35 = 149,726.62/x
  3. Step 3: Cross multiply
    374,207.78x = 561,732.35 × 149,726.62
  4. Step 4: Simplify right side
    374,207.78x = 84,106,286,110.16
  5. Step 5: Solve for x
    x = 84,106,286,110.16/374,207.78
  6. Step 6: Final answer
    x = 224,758.25

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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.