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Finding the Fourth Proportional to 408,663.14, 563,946.29 and 236,588.39

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Solution

The fourth proportional to 408,663.14, 563,946.29 and 236,588.39 is: 326,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,663.14 : 563,946.29 = 236,588.39 : x
  2. Step 2: Convert to fraction form
    408,663.14/563,946.29 = 236,588.39/x
  3. Step 3: Cross multiply
    408,663.14x = 563,946.29 × 236,588.39
  4. Step 4: Simplify right side
    408,663.14x = 133,423,140,794.90
  5. Step 5: Solve for x
    x = 133,423,140,794.90/408,663.14
  6. Step 6: Final answer
    x = 326,486.85

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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.