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Finding the Fourth Proportional to 317,358.48, 476,039.35 and 106,998.24

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Solution

The fourth proportional to 317,358.48, 476,039.35 and 106,998.24 is: 160,497.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,358.48 : 476,039.35 = 106,998.24 : x
  2. Step 2: Convert to fraction form
    317,358.48/476,039.35 = 106,998.24/x
  3. Step 3: Cross multiply
    317,358.48x = 476,039.35 × 106,998.24
  4. Step 4: Simplify right side
    317,358.48x = 50,935,372,620.74
  5. Step 5: Solve for x
    x = 50,935,372,620.74/317,358.48
  6. Step 6: Final answer
    x = 160,497.91

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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.