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Finding the Fourth Proportional to 573,079.86, 859,799.81 and 236,279.03

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Solution

The fourth proportional to 573,079.86, 859,799.81 and 236,279.03 is: 354,492.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,079.86 : 859,799.81 = 236,279.03 : x
  2. Step 2: Convert to fraction form
    573,079.86/859,799.81 = 236,279.03/x
  3. Step 3: Cross multiply
    573,079.86x = 859,799.81 × 236,279.03
  4. Step 4: Simplify right side
    573,079.86x = 203,152,661,392.68
  5. Step 5: Solve for x
    x = 203,152,661,392.68/573,079.86
  6. Step 6: Final answer
    x = 354,492.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.