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Finding the Fourth Proportional to 330,607.24, 495,882.76 and 130,873.32

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Solution

The fourth proportional to 330,607.24, 495,882.76 and 130,873.32 is: 196,298.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,607.24 : 495,882.76 = 130,873.32 : x
  2. Step 2: Convert to fraction form
    330,607.24/495,882.76 = 130,873.32/x
  3. Step 3: Cross multiply
    330,607.24x = 495,882.76 × 130,873.32
  4. Step 4: Simplify right side
    330,607.24x = 64,897,823,131.96
  5. Step 5: Solve for x
    x = 64,897,823,131.96/330,607.24
  6. Step 6: Final answer
    x = 196,298.86

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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.