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Finding the Fourth Proportional to 267,221.92, 368,674.71 and 152,418.07

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Solution

The fourth proportional to 267,221.92, 368,674.71 and 152,418.07 is: 210,284.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,221.92 : 368,674.71 = 152,418.07 : x
  2. Step 2: Convert to fraction form
    267,221.92/368,674.71 = 152,418.07/x
  3. Step 3: Cross multiply
    267,221.92x = 368,674.71 × 152,418.07
  4. Step 4: Simplify right side
    267,221.92x = 56,192,687,756.01
  5. Step 5: Solve for x
    x = 56,192,687,756.01/267,221.92
  6. Step 6: Final answer
    x = 210,284.72

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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.