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Finding the Fourth Proportional to 324,873.84, 487,735.20 and 260,866.16

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Solution

The fourth proportional to 324,873.84, 487,735.20 and 260,866.16 is: 391,640.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,873.84 : 487,735.20 = 260,866.16 : x
  2. Step 2: Convert to fraction form
    324,873.84/487,735.20 = 260,866.16/x
  3. Step 3: Cross multiply
    324,873.84x = 487,735.20 × 260,866.16
  4. Step 4: Simplify right side
    324,873.84x = 127,233,608,720.83
  5. Step 5: Solve for x
    x = 127,233,608,720.83/324,873.84
  6. Step 6: Final answer
    x = 391,640.06

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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.