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Finding the Fourth Proportional to 635,513.12, 953,268.80 and 162,198.48

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Solution

The fourth proportional to 635,513.12, 953,268.80 and 162,198.48 is: 243,297.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,513.12 : 953,268.80 = 162,198.48 : x
  2. Step 2: Convert to fraction form
    635,513.12/953,268.80 = 162,198.48/x
  3. Step 3: Cross multiply
    635,513.12x = 953,268.80 × 162,198.48
  4. Step 4: Simplify right side
    635,513.12x = 154,618,750,391.42
  5. Step 5: Solve for x
    x = 154,618,750,391.42/635,513.12
  6. Step 6: Final answer
    x = 243,297.50

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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.