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Finding the Fourth Proportional to 550,228.95, 771,107.85 and 550,228.95

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Solution

The fourth proportional to 550,228.95, 771,107.85 and 550,228.95 is: 771,107.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,228.95 : 771,107.85 = 550,228.95 : x
  2. Step 2: Convert to fraction form
    550,228.95/771,107.85 = 550,228.95/x
  3. Step 3: Cross multiply
    550,228.95x = 771,107.85 × 550,228.95
  4. Step 4: Simplify right side
    550,228.95x = 424,285,862,642.26
  5. Step 5: Solve for x
    x = 424,285,862,642.26/550,228.95
  6. Step 6: Final answer
    x = 771,107.85

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.