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Finding the Fourth Proportional to 452,708.51, 624,737.57 and 248,772.57

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Solution

The fourth proportional to 452,708.51, 624,737.57 and 248,772.57 is: 343,306.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,708.51 : 624,737.57 = 248,772.57 : x
  2. Step 2: Convert to fraction form
    452,708.51/624,737.57 = 248,772.57/x
  3. Step 3: Cross multiply
    452,708.51x = 624,737.57 × 248,772.57
  4. Step 4: Simplify right side
    452,708.51x = 155,417,570,864.46
  5. Step 5: Solve for x
    x = 155,417,570,864.46/452,708.51
  6. Step 6: Final answer
    x = 343,306.05

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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.