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Finding the Fourth Proportional to 543,180.93, 749,554.72 and 301,463.65

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Solution

The fourth proportional to 543,180.93, 749,554.72 and 301,463.65 is: 416,000.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,180.93 : 749,554.72 = 301,463.65 : x
  2. Step 2: Convert to fraction form
    543,180.93/749,554.72 = 301,463.65/x
  3. Step 3: Cross multiply
    543,180.93x = 749,554.72 × 301,463.65
  4. Step 4: Simplify right side
    543,180.93x = 225,963,501,765.93
  5. Step 5: Solve for x
    x = 225,963,501,765.93/543,180.93
  6. Step 6: Final answer
    x = 416,000.43

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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.