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Finding the Fourth Proportional to 226,808.52, 313,008.60 and 130,028.40

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Solution

The fourth proportional to 226,808.52, 313,008.60 and 130,028.40 is: 179,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,808.52 : 313,008.60 = 130,028.40 : x
  2. Step 2: Convert to fraction form
    226,808.52/313,008.60 = 130,028.40/x
  3. Step 3: Cross multiply
    226,808.52x = 313,008.60 × 130,028.40
  4. Step 4: Simplify right side
    226,808.52x = 40,700,007,444.24
  5. Step 5: Solve for x
    x = 40,700,007,444.24/226,808.52
  6. Step 6: Final answer
    x = 179,446.55

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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.