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Finding the Fourth Proportional to 452,653.44, 624,639.36 and 261,648.64

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Solution

The fourth proportional to 452,653.44, 624,639.36 and 261,648.64 is: 361,062.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,653.44 : 624,639.36 = 261,648.64 : x
  2. Step 2: Convert to fraction form
    452,653.44/624,639.36 = 261,648.64/x
  3. Step 3: Cross multiply
    452,653.44x = 624,639.36 × 261,648.64
  4. Step 4: Simplify right side
    452,653.44x = 163,436,039,034.47
  5. Step 5: Solve for x
    x = 163,436,039,034.47/452,653.44
  6. Step 6: Final answer
    x = 361,062.18

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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.