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Finding the Fourth Proportional to 971,625.60, 1,456,660.80 and 410,198.40

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Solution

The fourth proportional to 971,625.60, 1,456,660.80 and 410,198.40 is: 614,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,625.60 : 1,456,660.80 = 410,198.40 : x
  2. Step 2: Convert to fraction form
    971,625.60/1,456,660.80 = 410,198.40/x
  3. Step 3: Cross multiply
    971,625.60x = 1,456,660.80 × 410,198.40
  4. Step 4: Simplify right side
    971,625.60x = 597,519,929,502.72
  5. Step 5: Solve for x
    x = 597,519,929,502.72/971,625.60
  6. Step 6: Final answer
    x = 614,969.31

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1.5x scale

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.