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Finding the Fourth Proportional to 240,300.28, 360,412.44 and 80,374.96

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Solution

The fourth proportional to 240,300.28, 360,412.44 and 80,374.96 is: 120,549.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,300.28 : 360,412.44 = 80,374.96 : x
  2. Step 2: Convert to fraction form
    240,300.28/360,412.44 = 80,374.96/x
  3. Step 3: Cross multiply
    240,300.28x = 360,412.44 × 80,374.96
  4. Step 4: Simplify right side
    240,300.28x = 28,968,135,448.50
  5. Step 5: Solve for x
    x = 28,968,135,448.50/240,300.28
  6. Step 6: Final answer
    x = 120,549.74

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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.