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Finding the Fourth Proportional to 552,011.70, 828,017.55 and 172,964.10

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Solution

The fourth proportional to 552,011.70, 828,017.55 and 172,964.10 is: 259,446.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,011.70 : 828,017.55 = 172,964.10 : x
  2. Step 2: Convert to fraction form
    552,011.70/828,017.55 = 172,964.10/x
  3. Step 3: Cross multiply
    552,011.70x = 828,017.55 × 172,964.10
  4. Step 4: Simplify right side
    552,011.70x = 143,217,310,319.96
  5. Step 5: Solve for x
    x = 143,217,310,319.96/552,011.70
  6. Step 6: Final answer
    x = 259,446.15

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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.