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Finding the Fourth Proportional to 452,708.89, 624,738.09 and 248,772.95

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Solution

The fourth proportional to 452,708.89, 624,738.09 and 248,772.95 is: 343,306.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,708.89 : 624,738.09 = 248,772.95 : x
  2. Step 2: Convert to fraction form
    452,708.89/624,738.09 = 248,772.95/x
  3. Step 3: Cross multiply
    452,708.89x = 624,738.09 × 248,772.95
  4. Step 4: Simplify right side
    452,708.89x = 155,417,937,626.67
  5. Step 5: Solve for x
    x = 155,417,937,626.67/452,708.89
  6. Step 6: Final answer
    x = 343,306.57

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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.