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Finding the Fourth Proportional to 552,411.28, 828,819.34 and 232,643.65

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Solution

The fourth proportional to 552,411.28, 828,819.34 and 232,643.65 is: 349,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,411.28 : 828,819.34 = 232,643.65 : x
  2. Step 2: Convert to fraction form
    552,411.28/828,819.34 = 232,643.65/x
  3. Step 3: Cross multiply
    552,411.28x = 828,819.34 × 232,643.65
  4. Step 4: Simplify right side
    552,411.28x = 192,819,557,679.62
  5. Step 5: Solve for x
    x = 192,819,557,679.62/552,411.28
  6. Step 6: Final answer
    x = 349,050.72

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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.