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Finding the Fourth Proportional to 482,760.80, 677,264.80 and 482,760.80

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Solution

The fourth proportional to 482,760.80, 677,264.80 and 482,760.80 is: 677,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,760.80 : 677,264.80 = 482,760.80 : x
  2. Step 2: Convert to fraction form
    482,760.80/677,264.80 = 482,760.80/x
  3. Step 3: Cross multiply
    482,760.80x = 677,264.80 × 482,760.80
  4. Step 4: Simplify right side
    482,760.80x = 326,956,896,659.84
  5. Step 5: Solve for x
    x = 326,956,896,659.84/482,760.80
  6. Step 6: Final answer
    x = 677,264.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.