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Finding the Fourth Proportional to 475,660.83, 656,406.95 and 260,800.37

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Solution

The fourth proportional to 475,660.83, 656,406.95 and 260,800.37 is: 359,901.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,660.83 : 656,406.95 = 260,800.37 : x
  2. Step 2: Convert to fraction form
    475,660.83/656,406.95 = 260,800.37/x
  3. Step 3: Cross multiply
    475,660.83x = 656,406.95 × 260,800.37
  4. Step 4: Simplify right side
    475,660.83x = 171,191,170,844.54
  5. Step 5: Solve for x
    x = 171,191,170,844.54/475,660.83
  6. Step 6: Final answer
    x = 359,901.76

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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.