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Finding the Fourth Proportional to 629,768.40, 944,038.20 and 563,413.20

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Solution

The fourth proportional to 629,768.40, 944,038.20 and 563,413.20 is: 844,570.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,768.40 : 944,038.20 = 563,413.20 : x
  2. Step 2: Convert to fraction form
    629,768.40/944,038.20 = 563,413.20/x
  3. Step 3: Cross multiply
    629,768.40x = 944,038.20 × 563,413.20
  4. Step 4: Simplify right side
    629,768.40x = 531,883,583,184.24
  5. Step 5: Solve for x
    x = 531,883,583,184.24/629,768.40
  6. Step 6: Final answer
    x = 844,570.14

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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.