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Finding the Fourth Proportional to 353,080.83, 487,253.84 and 191,937.27

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Solution

The fourth proportional to 353,080.83, 487,253.84 and 191,937.27 is: 264,874.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,080.83 : 487,253.84 = 191,937.27 : x
  2. Step 2: Convert to fraction form
    353,080.83/487,253.84 = 191,937.27/x
  3. Step 3: Cross multiply
    353,080.83x = 487,253.84 × 191,937.27
  4. Step 4: Simplify right side
    353,080.83x = 93,522,170,886.93
  5. Step 5: Solve for x
    x = 93,522,170,886.93/353,080.83
  6. Step 6: Final answer
    x = 264,874.68

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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.