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Finding the Fourth Proportional to 580,036.52, 800,271.01 and 338,147.87

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Solution

The fourth proportional to 580,036.52, 800,271.01 and 338,147.87 is: 466,539.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,036.52 : 800,271.01 = 338,147.87 : x
  2. Step 2: Convert to fraction form
    580,036.52/800,271.01 = 338,147.87/x
  3. Step 3: Cross multiply
    580,036.52x = 800,271.01 × 338,147.87
  4. Step 4: Simplify right side
    580,036.52x = 270,609,937,454.25
  5. Step 5: Solve for x
    x = 270,609,937,454.25/580,036.52
  6. Step 6: Final answer
    x = 466,539.48

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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.