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Finding the Fourth Proportional to 572,473.91, 862,825.74 and 493,465.50

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Solution

The fourth proportional to 572,473.91, 862,825.74 and 493,465.50 is: 743,745.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,473.91 : 862,825.74 = 493,465.50 : x
  2. Step 2: Convert to fraction form
    572,473.91/862,825.74 = 493,465.50/x
  3. Step 3: Cross multiply
    572,473.91x = 862,825.74 × 493,465.50
  4. Step 4: Simplify right side
    572,473.91x = 425,774,735,201.97
  5. Step 5: Solve for x
    x = 425,774,735,201.97/572,473.91
  6. Step 6: Final answer
    x = 743,745.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.