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Finding the Fourth Proportional to 325,017.96, 487,439.46 and 114,628.56

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Solution

The fourth proportional to 325,017.96, 487,439.46 and 114,628.56 is: 171,911.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,017.96 : 487,439.46 = 114,628.56 : x
  2. Step 2: Convert to fraction form
    325,017.96/487,439.46 = 114,628.56/x
  3. Step 3: Cross multiply
    325,017.96x = 487,439.46 × 114,628.56
  4. Step 4: Simplify right side
    325,017.96x = 55,874,483,386.98
  5. Step 5: Solve for x
    x = 55,874,483,386.98/325,017.96
  6. Step 6: Final answer
    x = 171,911.99

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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.