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Finding the Fourth Proportional to 325,489.30, 488,233.95 and 273,001.30

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Solution

The fourth proportional to 325,489.30, 488,233.95 and 273,001.30 is: 409,501.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,489.30 : 488,233.95 = 273,001.30 : x
  2. Step 2: Convert to fraction form
    325,489.30/488,233.95 = 273,001.30/x
  3. Step 3: Cross multiply
    325,489.30x = 488,233.95 × 273,001.30
  4. Step 4: Simplify right side
    325,489.30x = 133,288,503,054.14
  5. Step 5: Solve for x
    x = 133,288,503,054.14/325,489.30
  6. Step 6: Final answer
    x = 409,501.95

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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.