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Finding the Fourth Proportional to 475,628.14, 656,349.30 and 260,763.46

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Solution

The fourth proportional to 475,628.14, 656,349.30 and 260,763.46 is: 359,843.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,628.14 : 656,349.30 = 260,763.46 : x
  2. Step 2: Convert to fraction form
    475,628.14/656,349.30 = 260,763.46/x
  3. Step 3: Cross multiply
    475,628.14x = 656,349.30 × 260,763.46
  4. Step 4: Simplify right side
    475,628.14x = 171,151,914,436.58
  5. Step 5: Solve for x
    x = 171,151,914,436.58/475,628.14
  6. Step 6: Final answer
    x = 359,843.96

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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.