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Finding the Fourth Proportional to 416,785, 575,175.06 and 235,504.60

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Solution

The fourth proportional to 416,785, 575,175.06 and 235,504.60 is: 325,002.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,785 : 575,175.06 = 235,504.60 : x
  2. Step 2: Convert to fraction form
    416,785/575,175.06 = 235,504.60/x
  3. Step 3: Cross multiply
    416,785x = 575,175.06 × 235,504.60
  4. Step 4: Simplify right side
    416,785x = 135,456,372,435.28
  5. Step 5: Solve for x
    x = 135,456,372,435.28/416,785
  6. Step 6: Final answer
    x = 325,002.99

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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.