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Finding the Fourth Proportional to 354,044.26, 488,574.88 and 192,900.47

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Solution

The fourth proportional to 354,044.26, 488,574.88 and 192,900.47 is: 266,199.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,044.26 : 488,574.88 = 192,900.47 : x
  2. Step 2: Convert to fraction form
    354,044.26/488,574.88 = 192,900.47/x
  3. Step 3: Cross multiply
    354,044.26x = 488,574.88 × 192,900.47
  4. Step 4: Simplify right side
    354,044.26x = 94,246,321,057.07
  5. Step 5: Solve for x
    x = 94,246,321,057.07/354,044.26
  6. Step 6: Final answer
    x = 266,199.26

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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.