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Finding the Fourth Proportional to 647,064.20, 971,033.70 and 362,754.20

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Solution

The fourth proportional to 647,064.20, 971,033.70 and 362,754.20 is: 544,376.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,064.20 : 971,033.70 = 362,754.20 : x
  2. Step 2: Convert to fraction form
    647,064.20/971,033.70 = 362,754.20/x
  3. Step 3: Cross multiply
    647,064.20x = 971,033.70 × 362,754.20
  4. Step 4: Simplify right side
    647,064.20x = 352,246,553,016.54
  5. Step 5: Solve for x
    x = 352,246,553,016.54/647,064.20
  6. Step 6: Final answer
    x = 544,376.51

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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.