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Finding the Fourth Proportional to 265,263.88, 365,253.50 and 199,947.59

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Solution

The fourth proportional to 265,263.88, 365,253.50 and 199,947.59 is: 275,316.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,263.88 : 365,253.50 = 199,947.59 : x
  2. Step 2: Convert to fraction form
    265,263.88/365,253.50 = 199,947.59/x
  3. Step 3: Cross multiply
    265,263.88x = 365,253.50 × 199,947.59
  4. Step 4: Simplify right side
    265,263.88x = 73,031,557,064.07
  5. Step 5: Solve for x
    x = 73,031,557,064.07/265,263.88
  6. Step 6: Final answer
    x = 275,316.63

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1.5x scale

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.