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Finding the Fourth Proportional to 543,246.95, 749,645.48 and 301,529.59

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Solution

The fourth proportional to 543,246.95, 749,645.48 and 301,529.59 is: 416,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,246.95 : 749,645.48 = 301,529.59 : x
  2. Step 2: Convert to fraction form
    543,246.95/749,645.48 = 301,529.59/x
  3. Step 3: Cross multiply
    543,246.95x = 749,645.48 × 301,529.59
  4. Step 4: Simplify right side
    543,246.95x = 226,040,293,109.46
  5. Step 5: Solve for x
    x = 226,040,293,109.46/543,246.95
  6. Step 6: Final answer
    x = 416,091.23

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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.