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Finding the Fourth Proportional to 408,674.92, 563,962.55 and 236,600.14

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Solution

The fourth proportional to 408,674.92, 563,962.55 and 236,600.14 is: 326,503.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,674.92 : 563,962.55 = 236,600.14 : x
  2. Step 2: Convert to fraction form
    408,674.92/563,962.55 = 236,600.14/x
  3. Step 3: Cross multiply
    408,674.92x = 563,962.55 × 236,600.14
  4. Step 4: Simplify right side
    408,674.92x = 133,433,618,284.76
  5. Step 5: Solve for x
    x = 133,433,618,284.76/408,674.92
  6. Step 6: Final answer
    x = 326,503.08

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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.