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Finding the Fourth Proportional to 354,068.85, 488,615.09 and 192,923.94

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Solution

The fourth proportional to 354,068.85, 488,615.09 and 192,923.94 is: 266,235.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,068.85 : 488,615.09 = 192,923.94 : x
  2. Step 2: Convert to fraction form
    354,068.85/488,615.09 = 192,923.94/x
  3. Step 3: Cross multiply
    354,068.85x = 488,615.09 × 192,923.94
  4. Step 4: Simplify right side
    354,068.85x = 94,265,549,173.94
  5. Step 5: Solve for x
    x = 94,265,549,173.94/354,068.85
  6. Step 6: Final answer
    x = 266,235.08

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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.