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Finding the Fourth Proportional to 260,951.31, 360,079.14 and 153,482.13

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Solution

The fourth proportional to 260,951.31, 360,079.14 and 153,482.13 is: 211,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,951.31 : 360,079.14 = 153,482.13 : x
  2. Step 2: Convert to fraction form
    260,951.31/360,079.14 = 153,482.13/x
  3. Step 3: Cross multiply
    260,951.31x = 360,079.14 × 153,482.13
  4. Step 4: Simplify right side
    260,951.31x = 55,265,713,375.77
  5. Step 5: Solve for x
    x = 55,265,713,375.77/260,951.31
  6. Step 6: Final answer
    x = 211,785.54

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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.