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Finding the Fourth Proportional to 325,077.08, 448,640.16 and 187,260.76

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Solution

The fourth proportional to 325,077.08, 448,640.16 and 187,260.76 is: 258,439.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,077.08 : 448,640.16 = 187,260.76 : x
  2. Step 2: Convert to fraction form
    325,077.08/448,640.16 = 187,260.76/x
  3. Step 3: Cross multiply
    325,077.08x = 448,640.16 × 187,260.76
  4. Step 4: Simplify right side
    325,077.08x = 84,012,695,084.92
  5. Step 5: Solve for x
    x = 84,012,695,084.92/325,077.08
  6. Step 6: Final answer
    x = 258,439.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.