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Finding the Fourth Proportional to 552,401.10, 828,601.65 and 315,767.70

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Solution

The fourth proportional to 552,401.10, 828,601.65 and 315,767.70 is: 473,651.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,401.10 : 828,601.65 = 315,767.70 : x
  2. Step 2: Convert to fraction form
    552,401.10/828,601.65 = 315,767.70/x
  3. Step 3: Cross multiply
    552,401.10x = 828,601.65 × 315,767.70
  4. Step 4: Simplify right side
    552,401.10x = 261,645,637,236.71
  5. Step 5: Solve for x
    x = 261,645,637,236.71/552,401.10
  6. Step 6: Final answer
    x = 473,651.55

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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.