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Finding the Fourth Proportional to 264,718.80, 397,175.40 and 106,963.20

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Solution

The fourth proportional to 264,718.80, 397,175.40 and 106,963.20 is: 160,484.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,718.80 : 397,175.40 = 106,963.20 : x
  2. Step 2: Convert to fraction form
    264,718.80/397,175.40 = 106,963.20/x
  3. Step 3: Cross multiply
    264,718.80x = 397,175.40 × 106,963.20
  4. Step 4: Simplify right side
    264,718.80x = 42,483,151,745.28
  5. Step 5: Solve for x
    x = 42,483,151,745.28/264,718.80
  6. Step 6: Final answer
    x = 160,484.07

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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.