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Finding the Fourth Proportional to 950,843.72, 1,312,161.72 and 515,273.15

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Solution

The fourth proportional to 950,843.72, 1,312,161.72 and 515,273.15 is: 711,075.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,843.72 : 1,312,161.72 = 515,273.15 : x
  2. Step 2: Convert to fraction form
    950,843.72/1,312,161.72 = 515,273.15/x
  3. Step 3: Cross multiply
    950,843.72x = 1,312,161.72 × 515,273.15
  4. Step 4: Simplify right side
    950,843.72x = 676,121,696,213.01
  5. Step 5: Solve for x
    x = 676,121,696,213.01/950,843.72
  6. Step 6: Final answer
    x = 711,075.53

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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.