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Finding the Fourth Proportional to 548,768.90, 822,592.02 and 371,294.66

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Solution

The fourth proportional to 548,768.90, 822,592.02 and 371,294.66 is: 556,562.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,768.90 : 822,592.02 = 371,294.66 : x
  2. Step 2: Convert to fraction form
    548,768.90/822,592.02 = 371,294.66/x
  3. Step 3: Cross multiply
    548,768.90x = 822,592.02 × 371,294.66
  4. Step 4: Simplify right side
    548,768.90x = 305,424,024,384.61
  5. Step 5: Solve for x
    x = 305,424,024,384.61/548,768.90
  6. Step 6: Final answer
    x = 556,562.20

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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.