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Finding the Fourth Proportional to 452,513.52, 624,680.91 and 261,489.60

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Solution

The fourth proportional to 452,513.52, 624,680.91 and 261,489.60 is: 360,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,513.52 : 624,680.91 = 261,489.60 : x
  2. Step 2: Convert to fraction form
    452,513.52/624,680.91 = 261,489.60/x
  3. Step 3: Cross multiply
    452,513.52x = 624,680.91 × 261,489.60
  4. Step 4: Simplify right side
    452,513.52x = 163,347,561,283.54
  5. Step 5: Solve for x
    x = 163,347,561,283.54/452,513.52
  6. Step 6: Final answer
    x = 360,978.30

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1.5x scale

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.