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Finding the Fourth Proportional to 299,838.95, 413,776.76 and 163,872.86

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Solution

The fourth proportional to 299,838.95, 413,776.76 and 163,872.86 is: 226,144.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,838.95 : 413,776.76 = 163,872.86 : x
  2. Step 2: Convert to fraction form
    299,838.95/413,776.76 = 163,872.86/x
  3. Step 3: Cross multiply
    299,838.95x = 413,776.76 × 163,872.86
  4. Step 4: Simplify right side
    299,838.95x = 67,806,781,062.73
  5. Step 5: Solve for x
    x = 67,806,781,062.73/299,838.95
  6. Step 6: Final answer
    x = 226,144.01

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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.