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Finding the Fourth Proportional to 265,799.20, 398,439.60 and 237,805.60

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Solution

The fourth proportional to 265,799.20, 398,439.60 and 237,805.60 is: 356,476.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,799.20 : 398,439.60 = 237,805.60 : x
  2. Step 2: Convert to fraction form
    265,799.20/398,439.60 = 237,805.60/x
  3. Step 3: Cross multiply
    265,799.20x = 398,439.60 × 237,805.60
  4. Step 4: Simplify right side
    265,799.20x = 94,751,168,141.76
  5. Step 5: Solve for x
    x = 94,751,168,141.76/265,799.20
  6. Step 6: Final answer
    x = 356,476.50

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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.