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Finding the Fourth Proportional to 265,855.12, 366,788.24 and 170,414.48

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Solution

The fourth proportional to 265,855.12, 366,788.24 and 170,414.48 is: 235,113.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,855.12 : 366,788.24 = 170,414.48 : x
  2. Step 2: Convert to fraction form
    265,855.12/366,788.24 = 170,414.48/x
  3. Step 3: Cross multiply
    265,855.12x = 366,788.24 × 170,414.48
  4. Step 4: Simplify right side
    265,855.12x = 62,506,027,189.72
  5. Step 5: Solve for x
    x = 62,506,027,189.72/265,855.12
  6. Step 6: Final answer
    x = 235,113.12

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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.