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Finding the Fourth Proportional to 975,998.80, 1,463,832.08 and 265,860.72

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Solution

The fourth proportional to 975,998.80, 1,463,832.08 and 265,860.72 is: 398,745.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,998.80 : 1,463,832.08 = 265,860.72 : x
  2. Step 2: Convert to fraction form
    975,998.80/1,463,832.08 = 265,860.72/x
  3. Step 3: Cross multiply
    975,998.80x = 1,463,832.08 × 265,860.72
  4. Step 4: Simplify right side
    975,998.80x = 389,175,450,747.90
  5. Step 5: Solve for x
    x = 389,175,450,747.90/975,998.80
  6. Step 6: Final answer
    x = 398,745.83

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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.