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Finding the Fourth Proportional to 297,429.20, 410,445.40 and 170,097.20

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Solution

The fourth proportional to 297,429.20, 410,445.40 and 170,097.20 is: 234,730.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,429.20 : 410,445.40 = 170,097.20 : x
  2. Step 2: Convert to fraction form
    297,429.20/410,445.40 = 170,097.20/x
  3. Step 3: Cross multiply
    297,429.20x = 410,445.40 × 170,097.20
  4. Step 4: Simplify right side
    297,429.20x = 69,815,613,292.88
  5. Step 5: Solve for x
    x = 69,815,613,292.88/297,429.20
  6. Step 6: Final answer
    x = 234,730.19

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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.