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Finding the Fourth Proportional to 354,101.11, 488,659.35 and 192,955.93

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Solution

The fourth proportional to 354,101.11, 488,659.35 and 192,955.93 is: 266,279.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,101.11 : 488,659.35 = 192,955.93 : x
  2. Step 2: Convert to fraction form
    354,101.11/488,659.35 = 192,955.93/x
  3. Step 3: Cross multiply
    354,101.11x = 488,659.35 × 192,955.93
  4. Step 4: Simplify right side
    354,101.11x = 94,289,719,332.45
  5. Step 5: Solve for x
    x = 94,289,719,332.45/354,101.11
  6. Step 6: Final answer
    x = 266,279.08

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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.