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Finding the Fourth Proportional to 408,596.69, 563,853.12 and 236,490.86

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Solution

The fourth proportional to 408,596.69, 563,853.12 and 236,490.86 is: 326,351.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,596.69 : 563,853.12 = 236,490.86 : x
  2. Step 2: Convert to fraction form
    408,596.69/563,853.12 = 236,490.86/x
  3. Step 3: Cross multiply
    408,596.69x = 563,853.12 × 236,490.86
  4. Step 4: Simplify right side
    408,596.69x = 133,346,106,443.22
  5. Step 5: Solve for x
    x = 133,346,106,443.22/408,596.69
  6. Step 6: Final answer
    x = 326,351.42

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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.