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Finding the Fourth Proportional to 579,820.02, 800,239.09 and 353,596.74

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Solution

The fourth proportional to 579,820.02, 800,239.09 and 353,596.74 is: 488,016.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,820.02 : 800,239.09 = 353,596.74 : x
  2. Step 2: Convert to fraction form
    579,820.02/800,239.09 = 353,596.74/x
  3. Step 3: Cross multiply
    579,820.02x = 800,239.09 × 353,596.74
  4. Step 4: Simplify right side
    579,820.02x = 282,961,933,444.57
  5. Step 5: Solve for x
    x = 282,961,933,444.57/579,820.02
  6. Step 6: Final answer
    x = 488,016.84

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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.