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Finding the Fourth Proportional to 265,584.06, 398,334.74 and 145,700.01

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Solution

The fourth proportional to 265,584.06, 398,334.74 and 145,700.01 is: 218,527.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,584.06 : 398,334.74 = 145,700.01 : x
  2. Step 2: Convert to fraction form
    265,584.06/398,334.74 = 145,700.01/x
  3. Step 3: Cross multiply
    265,584.06x = 398,334.74 × 145,700.01
  4. Step 4: Simplify right side
    265,584.06x = 58,037,375,601.35
  5. Step 5: Solve for x
    x = 58,037,375,601.35/265,584.06
  6. Step 6: Final answer
    x = 218,527.33

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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.