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Finding the Fourth Proportional to 474,533.89, 654,856.83 and 259,673.98

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Solution

The fourth proportional to 474,533.89, 654,856.83 and 259,673.98 is: 358,350.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,533.89 : 654,856.83 = 259,673.98 : x
  2. Step 2: Convert to fraction form
    474,533.89/654,856.83 = 259,673.98/x
  3. Step 3: Cross multiply
    474,533.89x = 654,856.83 × 259,673.98
  4. Step 4: Simplify right side
    474,533.89x = 170,049,276,394.88
  5. Step 5: Solve for x
    x = 170,049,276,394.88/474,533.89
  6. Step 6: Final answer
    x = 358,350.12

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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.