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Finding the Fourth Proportional to 452,684.70, 624,701.79 and 248,737.77

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Solution

The fourth proportional to 452,684.70, 624,701.79 and 248,737.77 is: 343,256.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,684.70 : 624,701.79 = 248,737.77 : x
  2. Step 2: Convert to fraction form
    452,684.70/624,701.79 = 248,737.77/x
  3. Step 3: Cross multiply
    452,684.70x = 624,701.79 × 248,737.77
  4. Step 4: Simplify right side
    452,684.70x = 155,386,930,159.61
  5. Step 5: Solve for x
    x = 155,386,930,159.61/452,684.70
  6. Step 6: Final answer
    x = 343,256.42

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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.