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Finding the Fourth Proportional to 543,566.90, 750,169.86 and 301,896.72

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Solution

The fourth proportional to 543,566.90, 750,169.86 and 301,896.72 is: 416,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,566.90 : 750,169.86 = 301,896.72 : x
  2. Step 2: Convert to fraction form
    543,566.90/750,169.86 = 301,896.72/x
  3. Step 3: Cross multiply
    543,566.90x = 750,169.86 × 301,896.72
  4. Step 4: Simplify right side
    543,566.90x = 226,473,819,044.75
  5. Step 5: Solve for x
    x = 226,473,819,044.75/543,566.90
  6. Step 6: Final answer
    x = 416,643.87

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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.