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Finding the Fourth Proportional to 550,379.48, 825,569.22 and 550,379.48

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Solution

The fourth proportional to 550,379.48, 825,569.22 and 550,379.48 is: 825,569.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,379.48 : 825,569.22 = 550,379.48 : x
  2. Step 2: Convert to fraction form
    550,379.48/825,569.22 = 550,379.48/x
  3. Step 3: Cross multiply
    550,379.48x = 825,569.22 × 550,379.48
  4. Step 4: Simplify right side
    550,379.48x = 454,376,353,879.76
  5. Step 5: Solve for x
    x = 454,376,353,879.76/550,379.48
  6. Step 6: Final answer
    x = 825,569.22

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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.