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Finding the Fourth Proportional to 475,657.83, 656,402.81 and 260,797.37

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Solution

The fourth proportional to 475,657.83, 656,402.81 and 260,797.37 is: 359,897.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,657.83 : 656,402.81 = 260,797.37 : x
  2. Step 2: Convert to fraction form
    475,657.83/656,402.81 = 260,797.37/x
  3. Step 3: Cross multiply
    475,657.83x = 656,402.81 × 260,797.37
  4. Step 4: Simplify right side
    475,657.83x = 171,188,121,922.61
  5. Step 5: Solve for x
    x = 171,188,121,922.61/475,657.83
  6. Step 6: Final answer
    x = 359,897.62

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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.