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Finding the Fourth Proportional to 317,435.76, 476,098.56 and 104,200.56

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Solution

The fourth proportional to 317,435.76, 476,098.56 and 104,200.56 is: 156,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,435.76 : 476,098.56 = 104,200.56 : x
  2. Step 2: Convert to fraction form
    317,435.76/476,098.56 = 104,200.56/x
  3. Step 3: Cross multiply
    317,435.76x = 476,098.56 × 104,200.56
  4. Step 4: Simplify right side
    317,435.76x = 49,609,736,567.19
  5. Step 5: Solve for x
    x = 49,609,736,567.19/317,435.76
  6. Step 6: Final answer
    x = 156,282.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.