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Finding the Fourth Proportional to 265,852.71, 398,422.85 and 248,827.37

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Solution

The fourth proportional to 265,852.71, 398,422.85 and 248,827.37 is: 372,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,852.71 : 398,422.85 = 248,827.37 : x
  2. Step 2: Convert to fraction form
    265,852.71/398,422.85 = 248,827.37/x
  3. Step 3: Cross multiply
    265,852.71x = 398,422.85 × 248,827.37
  4. Step 4: Simplify right side
    265,852.71x = 99,138,508,917.35
  5. Step 5: Solve for x
    x = 99,138,508,917.35/265,852.71
  6. Step 6: Final answer
    x = 372,907.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.