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Finding the Fourth Proportional to 335,530.16, 462,878.98 and 199,486.96

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Solution

The fourth proportional to 335,530.16, 462,878.98 and 199,486.96 is: 275,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,530.16 : 462,878.98 = 199,486.96 : x
  2. Step 2: Convert to fraction form
    335,530.16/462,878.98 = 199,486.96/x
  3. Step 3: Cross multiply
    335,530.16x = 462,878.98 × 199,486.96
  4. Step 4: Simplify right side
    335,530.16x = 92,338,320,568.10
  5. Step 5: Solve for x
    x = 92,338,320,568.10/335,530.16
  6. Step 6: Final answer
    x = 275,201.25

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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.