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Finding the Fourth Proportional to 479,599.43, 661,690.04 and 341,800.07

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Solution

The fourth proportional to 479,599.43, 661,690.04 and 341,800.07 is: 471,572.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,599.43 : 661,690.04 = 341,800.07 : x
  2. Step 2: Convert to fraction form
    479,599.43/661,690.04 = 341,800.07/x
  3. Step 3: Cross multiply
    479,599.43x = 661,690.04 × 341,800.07
  4. Step 4: Simplify right side
    479,599.43x = 226,165,701,990.30
  5. Step 5: Solve for x
    x = 226,165,701,990.30/479,599.43
  6. Step 6: Final answer
    x = 471,572.08

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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.