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Finding the Fourth Proportional to 283,533.20, 391,102.80 and 168,734.88

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Solution

The fourth proportional to 283,533.20, 391,102.80 and 168,734.88 is: 232,751.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,533.20 : 391,102.80 = 168,734.88 : x
  2. Step 2: Convert to fraction form
    283,533.20/391,102.80 = 168,734.88/x
  3. Step 3: Cross multiply
    283,533.20x = 391,102.80 × 168,734.88
  4. Step 4: Simplify right side
    283,533.20x = 65,992,684,025.66
  5. Step 5: Solve for x
    x = 65,992,684,025.66/283,533.20
  6. Step 6: Final answer
    x = 232,751.17

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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.