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Finding the Fourth Proportional to 300,465.68, 450,552.72 and 150,641.60

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Solution

The fourth proportional to 300,465.68, 450,552.72 and 150,641.60 is: 225,889.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,465.68 : 450,552.72 = 150,641.60 : x
  2. Step 2: Convert to fraction form
    300,465.68/450,552.72 = 150,641.60/x
  3. Step 3: Cross multiply
    300,465.68x = 450,552.72 × 150,641.60
  4. Step 4: Simplify right side
    300,465.68x = 67,871,982,625.15
  5. Step 5: Solve for x
    x = 67,871,982,625.15/300,465.68
  6. Step 6: Final answer
    x = 225,889.30

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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.