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Finding the Fourth Proportional to 550,266.70, 825,400.05 and 501,277.90

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Solution

The fourth proportional to 550,266.70, 825,400.05 and 501,277.90 is: 751,916.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,266.70 : 825,400.05 = 501,277.90 : x
  2. Step 2: Convert to fraction form
    550,266.70/825,400.05 = 501,277.90/x
  3. Step 3: Cross multiply
    550,266.70x = 825,400.05 × 501,277.90
  4. Step 4: Simplify right side
    550,266.70x = 413,754,803,723.90
  5. Step 5: Solve for x
    x = 413,754,803,723.90/550,266.70
  6. Step 6: Final answer
    x = 751,916.85

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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.