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Finding the Fourth Proportional to 624,715.50, 937,458.80 and 245,569.88

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Solution

The fourth proportional to 624,715.50, 937,458.80 and 245,569.88 is: 368,506.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,715.50 : 937,458.80 = 245,569.88 : x
  2. Step 2: Convert to fraction form
    624,715.50/937,458.80 = 245,569.88/x
  3. Step 3: Cross multiply
    624,715.50x = 937,458.80 × 245,569.88
  4. Step 4: Simplify right side
    624,715.50x = 230,211,645,020.94
  5. Step 5: Solve for x
    x = 230,211,645,020.94/624,715.50
  6. Step 6: Final answer
    x = 368,506.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.