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Finding the Fourth Proportional to 408,476.77, 563,658.44 and 236,360.39

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Solution

The fourth proportional to 408,476.77, 563,658.44 and 236,360.39 is: 326,154.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,476.77 : 563,658.44 = 236,360.39 : x
  2. Step 2: Convert to fraction form
    408,476.77/563,658.44 = 236,360.39/x
  3. Step 3: Cross multiply
    408,476.77x = 563,658.44 × 236,360.39
  4. Step 4: Simplify right side
    408,476.77x = 133,226,530,705.24
  5. Step 5: Solve for x
    x = 133,226,530,705.24/408,476.77
  6. Step 6: Final answer
    x = 326,154.49

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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.