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Finding the Fourth Proportional to 267,212.35, 368,759 and 152,488.70

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Solution

The fourth proportional to 267,212.35, 368,759 and 152,488.70 is: 210,437.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,212.35 : 368,759 = 152,488.70 : x
  2. Step 2: Convert to fraction form
    267,212.35/368,759 = 152,488.70/x
  3. Step 3: Cross multiply
    267,212.35x = 368,759 × 152,488.70
  4. Step 4: Simplify right side
    267,212.35x = 56,231,580,523.30
  5. Step 5: Solve for x
    x = 56,231,580,523.30/267,212.35
  6. Step 6: Final answer
    x = 210,437.81

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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.