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Finding the Fourth Proportional to 352,925.81, 487,037.24 and 191,780.47

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Solution

The fourth proportional to 352,925.81, 487,037.24 and 191,780.47 is: 264,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,925.81 : 487,037.24 = 191,780.47 : x
  2. Step 2: Convert to fraction form
    352,925.81/487,037.24 = 191,780.47/x
  3. Step 3: Cross multiply
    352,925.81x = 487,037.24 × 191,780.47
  4. Step 4: Simplify right side
    352,925.81x = 93,404,230,794.70
  5. Step 5: Solve for x
    x = 93,404,230,794.70/352,925.81
  6. Step 6: Final answer
    x = 264,656.84

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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.