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Finding the Fourth Proportional to 548,570.05, 822,855.08 and 282,849.55

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Solution

The fourth proportional to 548,570.05, 822,855.08 and 282,849.55 is: 424,274.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,570.05 : 822,855.08 = 282,849.55 : x
  2. Step 2: Convert to fraction form
    548,570.05/822,855.08 = 282,849.55/x
  3. Step 3: Cross multiply
    548,570.05x = 822,855.08 × 282,849.55
  4. Step 4: Simplify right side
    548,570.05x = 232,744,187,678.97
  5. Step 5: Solve for x
    x = 232,744,187,678.97/548,570.05
  6. Step 6: Final answer
    x = 424,274.33

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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.