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Finding the Fourth Proportional to 550,434.05, 825,651.08 and 550,434.05

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Solution

The fourth proportional to 550,434.05, 825,651.08 and 550,434.05 is: 825,651.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,434.05 : 825,651.08 = 550,434.05 : x
  2. Step 2: Convert to fraction form
    550,434.05/825,651.08 = 550,434.05/x
  3. Step 3: Cross multiply
    550,434.05x = 825,651.08 × 550,434.05
  4. Step 4: Simplify right side
    550,434.05x = 454,466,460,970.85
  5. Step 5: Solve for x
    x = 454,466,460,970.85/550,434.05
  6. Step 6: Final answer
    x = 825,651.08

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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.