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Finding the Fourth Proportional to 300,686.27, 450,933.91 and 98,236.24

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Solution

The fourth proportional to 300,686.27, 450,933.91 and 98,236.24 is: 147,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,686.27 : 450,933.91 = 98,236.24 : x
  2. Step 2: Convert to fraction form
    300,686.27/450,933.91 = 98,236.24/x
  3. Step 3: Cross multiply
    300,686.27x = 450,933.91 × 98,236.24
  4. Step 4: Simplify right side
    300,686.27x = 44,298,050,433.97
  5. Step 5: Solve for x
    x = 44,298,050,433.97/300,686.27
  6. Step 6: Final answer
    x = 147,323.16

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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.