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Finding the Fourth Proportional to 576,521.45, 864,203.30 and 197,182.88

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Solution

The fourth proportional to 576,521.45, 864,203.30 and 197,182.88 is: 295,576.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,521.45 : 864,203.30 = 197,182.88 : x
  2. Step 2: Convert to fraction form
    576,521.45/864,203.30 = 197,182.88/x
  3. Step 3: Cross multiply
    576,521.45x = 864,203.30 × 197,182.88
  4. Step 4: Simplify right side
    576,521.45x = 170,406,097,257.92
  5. Step 5: Solve for x
    x = 170,406,097,257.92/576,521.45
  6. Step 6: Final answer
    x = 295,576.34

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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.