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Finding the Fourth Proportional to 353,945.50, 488,449.08 and 192,801.88

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Solution

The fourth proportional to 353,945.50, 488,449.08 and 192,801.88 is: 266,068.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,945.50 : 488,449.08 = 192,801.88 : x
  2. Step 2: Convert to fraction form
    353,945.50/488,449.08 = 192,801.88/x
  3. Step 3: Cross multiply
    353,945.50x = 488,449.08 × 192,801.88
  4. Step 4: Simplify right side
    353,945.50x = 94,173,900,908.27
  5. Step 5: Solve for x
    x = 94,173,900,908.27/353,945.50
  6. Step 6: Final answer
    x = 266,068.93

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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.