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Finding the Fourth Proportional to 372,960.45, 514,667.52 and 211,794.21

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Solution

The fourth proportional to 372,960.45, 514,667.52 and 211,794.21 is: 292,265.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,960.45 : 514,667.52 = 211,794.21 : x
  2. Step 2: Convert to fraction form
    372,960.45/514,667.52 = 211,794.21/x
  3. Step 3: Cross multiply
    372,960.45x = 514,667.52 × 211,794.21
  4. Step 4: Simplify right side
    372,960.45x = 109,003,600,811.06
  5. Step 5: Solve for x
    x = 109,003,600,811.06/372,960.45
  6. Step 6: Final answer
    x = 292,265.84

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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.