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Finding the Fourth Proportional to 270,017.20, 404,248.20 and 262,241.20

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Solution

The fourth proportional to 270,017.20, 404,248.20 and 262,241.20 is: 392,606.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,017.20 : 404,248.20 = 262,241.20 : x
  2. Step 2: Convert to fraction form
    270,017.20/404,248.20 = 262,241.20/x
  3. Step 3: Cross multiply
    270,017.20x = 404,248.20 × 262,241.20
  4. Step 4: Simplify right side
    270,017.20x = 106,010,533,065.84
  5. Step 5: Solve for x
    x = 106,010,533,065.84/270,017.20
  6. Step 6: Final answer
    x = 392,606.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.