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Finding the Fourth Proportional to 372,725.71, 514,226.41 and 211,487.38

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Solution

The fourth proportional to 372,725.71, 514,226.41 and 211,487.38 is: 291,775.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,725.71 : 514,226.41 = 211,487.38 : x
  2. Step 2: Convert to fraction form
    372,725.71/514,226.41 = 211,487.38/x
  3. Step 3: Cross multiply
    372,725.71x = 514,226.41 × 211,487.38
  4. Step 4: Simplify right side
    372,725.71x = 108,752,394,363.42
  5. Step 5: Solve for x
    x = 108,752,394,363.42/372,725.71
  6. Step 6: Final answer
    x = 291,775.94

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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.