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Finding the Fourth Proportional to 452,812.57, 624,895.40 and 248,859.79

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Solution

The fourth proportional to 452,812.57, 624,895.40 and 248,859.79 is: 343,434.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,812.57 : 624,895.40 = 248,859.79 : x
  2. Step 2: Convert to fraction form
    452,812.57/624,895.40 = 248,859.79/x
  3. Step 3: Cross multiply
    452,812.57x = 624,895.40 × 248,859.79
  4. Step 4: Simplify right side
    452,812.57x = 155,511,333,647.19
  5. Step 5: Solve for x
    x = 155,511,333,647.19/452,812.57
  6. Step 6: Final answer
    x = 343,434.23

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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.