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Finding the Fourth Proportional to 548,023.40, 820,868.70 and 548,023.40

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Solution

The fourth proportional to 548,023.40, 820,868.70 and 548,023.40 is: 820,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,023.40 : 820,868.70 = 548,023.40 : x
  2. Step 2: Convert to fraction form
    548,023.40/820,868.70 = 548,023.40/x
  3. Step 3: Cross multiply
    548,023.40x = 820,868.70 × 548,023.40
  4. Step 4: Simplify right side
    548,023.40x = 449,855,255,927.58
  5. Step 5: Solve for x
    x = 449,855,255,927.58/548,023.40
  6. Step 6: Final answer
    x = 820,868.70

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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.