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Finding the Fourth Proportional to 356,766.14, 535,238.40 and 251,790.14

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Solution

The fourth proportional to 356,766.14, 535,238.40 and 251,790.14 is: 377,748.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,766.14 : 535,238.40 = 251,790.14 : x
  2. Step 2: Convert to fraction form
    356,766.14/535,238.40 = 251,790.14/x
  3. Step 3: Cross multiply
    356,766.14x = 535,238.40 × 251,790.14
  4. Step 4: Simplify right side
    356,766.14x = 134,767,751,669.38
  5. Step 5: Solve for x
    x = 134,767,751,669.38/356,766.14
  6. Step 6: Final answer
    x = 377,748.16

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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.