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Finding the Fourth Proportional to 580,209.61, 800,677.29 and 322,071.52

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Solution

The fourth proportional to 580,209.61, 800,677.29 and 322,071.52 is: 444,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,209.61 : 800,677.29 = 322,071.52 : x
  2. Step 2: Convert to fraction form
    580,209.61/800,677.29 = 322,071.52/x
  3. Step 3: Cross multiply
    580,209.61x = 800,677.29 × 322,071.52
  4. Step 4: Simplify right side
    580,209.61x = 257,875,351,819.78
  5. Step 5: Solve for x
    x = 257,875,351,819.78/580,209.61
  6. Step 6: Final answer
    x = 444,452.05

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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.