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Finding the Fourth Proportional to 317,980.46, 476,973.41 and 93,344.57

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Solution

The fourth proportional to 317,980.46, 476,973.41 and 93,344.57 is: 140,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,980.46 : 476,973.41 = 93,344.57 : x
  2. Step 2: Convert to fraction form
    317,980.46/476,973.41 = 93,344.57/x
  3. Step 3: Cross multiply
    317,980.46x = 476,973.41 × 93,344.57
  4. Step 4: Simplify right side
    317,980.46x = 44,522,875,006.29
  5. Step 5: Solve for x
    x = 44,522,875,006.29/317,980.46
  6. Step 6: Final answer
    x = 140,017.65

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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.