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Finding the Fourth Proportional to 314,377.39, 433,773.52 and 187,028.11

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Solution

The fourth proportional to 314,377.39, 433,773.52 and 187,028.11 is: 258,058.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,377.39 : 433,773.52 = 187,028.11 : x
  2. Step 2: Convert to fraction form
    314,377.39/433,773.52 = 187,028.11/x
  3. Step 3: Cross multiply
    314,377.39x = 433,773.52 × 187,028.11
  4. Step 4: Simplify right side
    314,377.39x = 81,127,841,613.65
  5. Step 5: Solve for x
    x = 81,127,841,613.65/314,377.39
  6. Step 6: Final answer
    x = 258,058.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.