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Finding the Fourth Proportional to 452,640.05, 624,641.22 and 248,703.62

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Solution

The fourth proportional to 452,640.05, 624,641.22 and 248,703.62 is: 343,209.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,640.05 : 624,641.22 = 248,703.62 : x
  2. Step 2: Convert to fraction form
    452,640.05/624,641.22 = 248,703.62/x
  3. Step 3: Cross multiply
    452,640.05x = 624,641.22 × 248,703.62
  4. Step 4: Simplify right side
    452,640.05x = 155,350,529,492.01
  5. Step 5: Solve for x
    x = 155,350,529,492.01/452,640.05
  6. Step 6: Final answer
    x = 343,209.86

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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.