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Finding the Fourth Proportional to 329,122.44, 493,411.50 and 151,479.72

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Solution

The fourth proportional to 329,122.44, 493,411.50 and 151,479.72 is: 227,094.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,122.44 : 493,411.50 = 151,479.72 : x
  2. Step 2: Convert to fraction form
    329,122.44/493,411.50 = 151,479.72/x
  3. Step 3: Cross multiply
    329,122.44x = 493,411.50 × 151,479.72
  4. Step 4: Simplify right side
    329,122.44x = 74,741,835,864.78
  5. Step 5: Solve for x
    x = 74,741,835,864.78/329,122.44
  6. Step 6: Final answer
    x = 227,094.32

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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.