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Finding the Fourth Proportional to 265,959.20, 398,938.80 and 244,186.40

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Solution

The fourth proportional to 265,959.20, 398,938.80 and 244,186.40 is: 366,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,959.20 : 398,938.80 = 244,186.40 : x
  2. Step 2: Convert to fraction form
    265,959.20/398,938.80 = 244,186.40/x
  3. Step 3: Cross multiply
    265,959.20x = 398,938.80 × 244,186.40
  4. Step 4: Simplify right side
    265,959.20x = 97,415,429,392.32
  5. Step 5: Solve for x
    x = 97,415,429,392.32/265,959.20
  6. Step 6: Final answer
    x = 366,279.60

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1.5x scale

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.