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Finding the Fourth Proportional to 474,285.35, 654,499.86 and 259,420.77

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Solution

The fourth proportional to 474,285.35, 654,499.86 and 259,420.77 is: 357,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,285.35 : 654,499.86 = 259,420.77 : x
  2. Step 2: Convert to fraction form
    474,285.35/654,499.86 = 259,420.77/x
  3. Step 3: Cross multiply
    474,285.35x = 654,499.86 × 259,420.77
  4. Step 4: Simplify right side
    474,285.35x = 169,790,857,646.09
  5. Step 5: Solve for x
    x = 169,790,857,646.09/474,285.35
  6. Step 6: Final answer
    x = 357,993.05

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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.