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Finding the Fourth Proportional to 385,670.54, 532,227.43 and 213,594.14

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Solution

The fourth proportional to 385,670.54, 532,227.43 and 213,594.14 is: 294,761.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,670.54 : 532,227.43 = 213,594.14 : x
  2. Step 2: Convert to fraction form
    385,670.54/532,227.43 = 213,594.14/x
  3. Step 3: Cross multiply
    385,670.54x = 532,227.43 × 213,594.14
  4. Step 4: Simplify right side
    385,670.54x = 113,680,660,195.26
  5. Step 5: Solve for x
    x = 113,680,660,195.26/385,670.54
  6. Step 6: Final answer
    x = 294,761.07

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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.