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Finding the Fourth Proportional to 552,081.57, 828,122.55 and 173,031.72

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Solution

The fourth proportional to 552,081.57, 828,122.55 and 173,031.72 is: 259,547.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,081.57 : 828,122.55 = 173,031.72 : x
  2. Step 2: Convert to fraction form
    552,081.57/828,122.55 = 173,031.72/x
  3. Step 3: Cross multiply
    552,081.57x = 828,122.55 × 173,031.72
  4. Step 4: Simplify right side
    552,081.57x = 143,291,469,197.29
  5. Step 5: Solve for x
    x = 143,291,469,197.29/552,081.57
  6. Step 6: Final answer
    x = 259,547.64

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Similar ratio
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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.