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Finding the Fourth Proportional to 483,393.74, 724,904.30 and 183,716.42

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Solution

The fourth proportional to 483,393.74, 724,904.30 and 183,716.42 is: 275,503.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,393.74 : 724,904.30 = 183,716.42 : x
  2. Step 2: Convert to fraction form
    483,393.74/724,904.30 = 183,716.42/x
  3. Step 3: Cross multiply
    483,393.74x = 724,904.30 × 183,716.42
  4. Step 4: Simplify right side
    483,393.74x = 133,176,822,838.61
  5. Step 5: Solve for x
    x = 133,176,822,838.61/483,393.74
  6. Step 6: Final answer
    x = 275,503.82

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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.