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Finding the Fourth Proportional to 323,154.24, 445,837.44 and 187,113.93

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Solution

The fourth proportional to 323,154.24, 445,837.44 and 187,113.93 is: 258,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,154.24 : 445,837.44 = 187,113.93 : x
  2. Step 2: Convert to fraction form
    323,154.24/445,837.44 = 187,113.93/x
  3. Step 3: Cross multiply
    323,154.24x = 445,837.44 × 187,113.93
  4. Step 4: Simplify right side
    323,154.24x = 83,422,395,539.54
  5. Step 5: Solve for x
    x = 83,422,395,539.54/323,154.24
  6. Step 6: Final answer
    x = 258,150.40

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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.