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Finding the Fourth Proportional to 543,901.26, 750,374.37 and 401,001.06

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Solution

The fourth proportional to 543,901.26, 750,374.37 and 401,001.06 is: 553,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,901.26 : 750,374.37 = 401,001.06 : x
  2. Step 2: Convert to fraction form
    543,901.26/750,374.37 = 401,001.06/x
  3. Step 3: Cross multiply
    543,901.26x = 750,374.37 × 401,001.06
  4. Step 4: Simplify right side
    543,901.26x = 300,900,917,766.83
  5. Step 5: Solve for x
    x = 300,900,917,766.83/543,901.26
  6. Step 6: Final answer
    x = 553,227.10

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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.