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Finding the Fourth Proportional to 260,714.28, 359,785.68 and 141,482.28

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Solution

The fourth proportional to 260,714.28, 359,785.68 and 141,482.28 is: 195,245.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,714.28 : 359,785.68 = 141,482.28 : x
  2. Step 2: Convert to fraction form
    260,714.28/359,785.68 = 141,482.28/x
  3. Step 3: Cross multiply
    260,714.28x = 359,785.68 × 141,482.28
  4. Step 4: Simplify right side
    260,714.28x = 50,903,298,317.75
  5. Step 5: Solve for x
    x = 50,903,298,317.75/260,714.28
  6. Step 6: Final answer
    x = 195,245.53

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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.