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Finding the Fourth Proportional to 373,653.87, 560,569.74 and 120,934.37

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Solution

The fourth proportional to 373,653.87, 560,569.74 and 120,934.37 is: 181,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,653.87 : 560,569.74 = 120,934.37 : x
  2. Step 2: Convert to fraction form
    373,653.87/560,569.74 = 120,934.37/x
  3. Step 3: Cross multiply
    373,653.87x = 560,569.74 × 120,934.37
  4. Step 4: Simplify right side
    373,653.87x = 67,792,145,545.12
  5. Step 5: Solve for x
    x = 67,792,145,545.12/373,653.87
  6. Step 6: Final answer
    x = 181,430.33

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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.