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Finding the Fourth Proportional to 353,666.80, 488,060.24 and 192,523.04

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Solution

The fourth proportional to 353,666.80, 488,060.24 and 192,523.04 is: 265,681.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,666.80 : 488,060.24 = 192,523.04 : x
  2. Step 2: Convert to fraction form
    353,666.80/488,060.24 = 192,523.04/x
  3. Step 3: Cross multiply
    353,666.80x = 488,060.24 × 192,523.04
  4. Step 4: Simplify right side
    353,666.80x = 93,962,841,107.93
  5. Step 5: Solve for x
    x = 93,962,841,107.93/353,666.80
  6. Step 6: Final answer
    x = 265,681.83

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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.