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Finding the Fourth Proportional to 317,739.40, 476,674.72 and 93,107.16

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Solution

The fourth proportional to 317,739.40, 476,674.72 and 93,107.16 is: 139,679.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,739.40 : 476,674.72 = 93,107.16 : x
  2. Step 2: Convert to fraction form
    317,739.40/476,674.72 = 93,107.16/x
  3. Step 3: Cross multiply
    317,739.40x = 476,674.72 × 93,107.16
  4. Step 4: Simplify right side
    317,739.40x = 44,381,829,190.23
  5. Step 5: Solve for x
    x = 44,381,829,190.23/317,739.40
  6. Step 6: Final answer
    x = 139,679.97

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1.5x scale

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.