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Finding the Fourth Proportional to 474,187.08, 654,354 and 259,285.44

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Solution

The fourth proportional to 474,187.08, 654,354 and 259,285.44 is: 357,800.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,187.08 : 654,354 = 259,285.44 : x
  2. Step 2: Convert to fraction form
    474,187.08/654,354 = 259,285.44/x
  3. Step 3: Cross multiply
    474,187.08x = 654,354 × 259,285.44
  4. Step 4: Simplify right side
    474,187.08x = 169,664,464,805.76
  5. Step 5: Solve for x
    x = 169,664,464,805.76/474,187.08
  6. Step 6: Final answer
    x = 357,800.69

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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.