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Finding the Fourth Proportional to 452,514.52, 624,433.62 and 261,540.28

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Solution

The fourth proportional to 452,514.52, 624,433.62 and 261,540.28 is: 360,904.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,514.52 : 624,433.62 = 261,540.28 : x
  2. Step 2: Convert to fraction form
    452,514.52/624,433.62 = 261,540.28/x
  3. Step 3: Cross multiply
    452,514.52x = 624,433.62 × 261,540.28
  4. Step 4: Simplify right side
    452,514.52x = 163,314,543,816.21
  5. Step 5: Solve for x
    x = 163,314,543,816.21/452,514.52
  6. Step 6: Final answer
    x = 360,904.54

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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.