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Finding the Fourth Proportional to 317,246.72, 475,902.89 and 106,901.06

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Solution

The fourth proportional to 317,246.72, 475,902.89 and 106,901.06 is: 160,362.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,246.72 : 475,902.89 = 106,901.06 : x
  2. Step 2: Convert to fraction form
    317,246.72/475,902.89 = 106,901.06/x
  3. Step 3: Cross multiply
    317,246.72x = 475,902.89 × 106,901.06
  4. Step 4: Simplify right side
    317,246.72x = 50,874,520,484.04
  5. Step 5: Solve for x
    x = 50,874,520,484.04/317,246.72
  6. Step 6: Final answer
    x = 160,362.64

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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.