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Finding the Fourth Proportional to 555,766.66, 766,947.96 and 314,044

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Solution

The fourth proportional to 555,766.66, 766,947.96 and 314,044 is: 433,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,766.66 : 766,947.96 = 314,044 : x
  2. Step 2: Convert to fraction form
    555,766.66/766,947.96 = 314,044/x
  3. Step 3: Cross multiply
    555,766.66x = 766,947.96 × 314,044
  4. Step 4: Simplify right side
    555,766.66x = 240,855,405,150.24
  5. Step 5: Solve for x
    x = 240,855,405,150.24/555,766.66
  6. Step 6: Final answer
    x = 433,375.05

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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.