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Finding the Fourth Proportional to 578,082.10, 867,123.15 and 550,525.90

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Solution

The fourth proportional to 578,082.10, 867,123.15 and 550,525.90 is: 825,788.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,082.10 : 867,123.15 = 550,525.90 : x
  2. Step 2: Convert to fraction form
    578,082.10/867,123.15 = 550,525.90/x
  3. Step 3: Cross multiply
    578,082.10x = 867,123.15 × 550,525.90
  4. Step 4: Simplify right side
    578,082.10x = 477,373,752,564.59
  5. Step 5: Solve for x
    x = 477,373,752,564.59/578,082.10
  6. Step 6: Final answer
    x = 825,788.85

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Double scale
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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.