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Finding the Fourth Proportional to 354,061.14, 488,598.21 and 192,917.51

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Solution

The fourth proportional to 354,061.14, 488,598.21 and 192,917.51 is: 266,222.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,061.14 : 488,598.21 = 192,917.51 : x
  2. Step 2: Convert to fraction form
    354,061.14/488,598.21 = 192,917.51/x
  3. Step 3: Cross multiply
    354,061.14x = 488,598.21 × 192,917.51
  4. Step 4: Simplify right side
    354,061.14x = 94,259,150,063.66
  5. Step 5: Solve for x
    x = 94,259,150,063.66/354,061.14
  6. Step 6: Final answer
    x = 266,222.81

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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.