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Finding the Fourth Proportional to 552,252.62, 828,281.72 and 147,449.85

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Solution

The fourth proportional to 552,252.62, 828,281.72 and 147,449.85 is: 221,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,252.62 : 828,281.72 = 147,449.85 : x
  2. Step 2: Convert to fraction form
    552,252.62/828,281.72 = 147,449.85/x
  3. Step 3: Cross multiply
    552,252.62x = 828,281.72 × 147,449.85
  4. Step 4: Simplify right side
    552,252.62x = 122,130,014,634.49
  5. Step 5: Solve for x
    x = 122,130,014,634.49/552,252.62
  6. Step 6: Final answer
    x = 221,148.82

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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.