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Finding the Fourth Proportional to 704,737.55, 972,544.95 and 382,450.43

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Solution

The fourth proportional to 704,737.55, 972,544.95 and 382,450.43 is: 527,785.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,737.55 : 972,544.95 = 382,450.43 : x
  2. Step 2: Convert to fraction form
    704,737.55/972,544.95 = 382,450.43/x
  3. Step 3: Cross multiply
    704,737.55x = 972,544.95 × 382,450.43
  4. Step 4: Simplify right side
    704,737.55x = 371,950,227,546.85
  5. Step 5: Solve for x
    x = 371,950,227,546.85/704,737.55
  6. Step 6: Final answer
    x = 527,785.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.