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Finding the Fourth Proportional to 310,837.20, 466,486.20 and 227,893.20

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Solution

The fourth proportional to 310,837.20, 466,486.20 and 227,893.20 is: 342,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,837.20 : 466,486.20 = 227,893.20 : x
  2. Step 2: Convert to fraction form
    310,837.20/466,486.20 = 227,893.20/x
  3. Step 3: Cross multiply
    310,837.20x = 466,486.20 × 227,893.20
  4. Step 4: Simplify right side
    310,837.20x = 106,309,032,873.84
  5. Step 5: Solve for x
    x = 106,309,032,873.84/310,837.20
  6. Step 6: Final answer
    x = 342,008.72

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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.