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Finding the Fourth Proportional to 475,790.34, 656,599.62 and 260,917.56

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Solution

The fourth proportional to 475,790.34, 656,599.62 and 260,917.56 is: 360,071.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,790.34 : 656,599.62 = 260,917.56 : x
  2. Step 2: Convert to fraction form
    475,790.34/656,599.62 = 260,917.56/x
  3. Step 3: Cross multiply
    475,790.34x = 656,599.62 × 260,917.56
  4. Step 4: Simplify right side
    475,790.34x = 171,318,370,747.33
  5. Step 5: Solve for x
    x = 171,318,370,747.33/475,790.34
  6. Step 6: Final answer
    x = 360,071.14

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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.