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Finding the Fourth Proportional to 325,216.85, 487,704.06 and 111,925.13

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Solution

The fourth proportional to 325,216.85, 487,704.06 and 111,925.13 is: 167,845.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,216.85 : 487,704.06 = 111,925.13 : x
  2. Step 2: Convert to fraction form
    325,216.85/487,704.06 = 111,925.13/x
  3. Step 3: Cross multiply
    325,216.85x = 487,704.06 × 111,925.13
  4. Step 4: Simplify right side
    325,216.85x = 54,586,337,878.51
  5. Step 5: Solve for x
    x = 54,586,337,878.51/325,216.85
  6. Step 6: Final answer
    x = 167,845.97

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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.