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Finding the Fourth Proportional to 265,883.40, 398,825.10 and 181,902.60

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Solution

The fourth proportional to 265,883.40, 398,825.10 and 181,902.60 is: 272,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,883.40 : 398,825.10 = 181,902.60 : x
  2. Step 2: Convert to fraction form
    265,883.40/398,825.10 = 181,902.60/x
  3. Step 3: Cross multiply
    265,883.40x = 398,825.10 × 181,902.60
  4. Step 4: Simplify right side
    265,883.40x = 72,547,322,635.26
  5. Step 5: Solve for x
    x = 72,547,322,635.26/265,883.40
  6. Step 6: Final answer
    x = 272,853.90

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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.