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Finding the Fourth Proportional to 552,510.72, 828,766.08 and 365,478.48

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Solution

The fourth proportional to 552,510.72, 828,766.08 and 365,478.48 is: 548,217.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,510.72 : 828,766.08 = 365,478.48 : x
  2. Step 2: Convert to fraction form
    552,510.72/828,766.08 = 365,478.48/x
  3. Step 3: Cross multiply
    552,510.72x = 828,766.08 × 365,478.48
  4. Step 4: Simplify right side
    552,510.72x = 302,896,167,193.96
  5. Step 5: Solve for x
    x = 302,896,167,193.96/552,510.72
  6. Step 6: Final answer
    x = 548,217.72

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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.