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Finding the Fourth Proportional to 580,985.62, 801,760.62 and 326,337.01

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Solution

The fourth proportional to 580,985.62, 801,760.62 and 326,337.01 is: 450,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,985.62 : 801,760.62 = 326,337.01 : x
  2. Step 2: Convert to fraction form
    580,985.62/801,760.62 = 326,337.01/x
  3. Step 3: Cross multiply
    580,985.62x = 801,760.62 × 326,337.01
  4. Step 4: Simplify right side
    580,985.62x = 261,644,163,466.55
  5. Step 5: Solve for x
    x = 261,644,163,466.55/580,985.62
  6. Step 6: Final answer
    x = 450,345.33

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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.