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Finding the Fourth Proportional to 616,753.13, 925,265.77 and 262,070.33

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Solution

The fourth proportional to 616,753.13, 925,265.77 and 262,070.33 is: 393,163.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,753.13 : 925,265.77 = 262,070.33 : x
  2. Step 2: Convert to fraction form
    616,753.13/925,265.77 = 262,070.33/x
  3. Step 3: Cross multiply
    616,753.13x = 925,265.77 × 262,070.33
  4. Step 4: Simplify right side
    616,753.13x = 242,484,700,400.10
  5. Step 5: Solve for x
    x = 242,484,700,400.10/616,753.13
  6. Step 6: Final answer
    x = 393,163.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.