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Finding the Fourth Proportional to 416,175.90, 574,340.40 and 263,158.80

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Solution

The fourth proportional to 416,175.90, 574,340.40 and 263,158.80 is: 363,170.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,175.90 : 574,340.40 = 263,158.80 : x
  2. Step 2: Convert to fraction form
    416,175.90/574,340.40 = 263,158.80/x
  3. Step 3: Cross multiply
    416,175.90x = 574,340.40 × 263,158.80
  4. Step 4: Simplify right side
    416,175.90x = 151,142,730,455.52
  5. Step 5: Solve for x
    x = 151,142,730,455.52/416,175.90
  6. Step 6: Final answer
    x = 363,170.31

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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.