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Finding the Fourth Proportional to 352,926.36, 487,037.40 and 191,781.40

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Solution

The fourth proportional to 352,926.36, 487,037.40 and 191,781.40 is: 264,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,926.36 : 487,037.40 = 191,781.40 : x
  2. Step 2: Convert to fraction form
    352,926.36/487,037.40 = 191,781.40/x
  3. Step 3: Cross multiply
    352,926.36x = 487,037.40 × 191,781.40
  4. Step 4: Simplify right side
    352,926.36x = 93,404,714,424.36
  5. Step 5: Solve for x
    x = 93,404,714,424.36/352,926.36
  6. Step 6: Final answer
    x = 264,657.80

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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.