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Finding the Fourth Proportional to 403,049.75, 604,552.75 and 122,545.13

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Solution

The fourth proportional to 403,049.75, 604,552.75 and 122,545.13 is: 183,811.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,049.75 : 604,552.75 = 122,545.13 : x
  2. Step 2: Convert to fraction form
    403,049.75/604,552.75 = 122,545.13/x
  3. Step 3: Cross multiply
    403,049.75x = 604,552.75 × 122,545.13
  4. Step 4: Simplify right side
    403,049.75x = 74,084,992,011.48
  5. Step 5: Solve for x
    x = 74,084,992,011.48/403,049.75
  6. Step 6: Final answer
    x = 183,811.04

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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.