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Finding the Fourth Proportional to 317,607.46, 476,310.81 and 104,340.35

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Solution

The fourth proportional to 317,607.46, 476,310.81 and 104,340.35 is: 156,477.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,607.46 : 476,310.81 = 104,340.35 : x
  2. Step 2: Convert to fraction form
    317,607.46/476,310.81 = 104,340.35/x
  3. Step 3: Cross multiply
    317,607.46x = 476,310.81 × 104,340.35
  4. Step 4: Simplify right side
    317,607.46x = 49,698,436,624.18
  5. Step 5: Solve for x
    x = 49,698,436,624.18/317,607.46
  6. Step 6: Final answer
    x = 156,477.55

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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.