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Finding the Fourth Proportional to 352,785.58, 486,847.56 and 191,641.93

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Solution

The fourth proportional to 352,785.58, 486,847.56 and 191,641.93 is: 264,467.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,785.58 : 486,847.56 = 191,641.93 : x
  2. Step 2: Convert to fraction form
    352,785.58/486,847.56 = 191,641.93/x
  3. Step 3: Cross multiply
    352,785.58x = 486,847.56 × 191,641.93
  4. Step 4: Simplify right side
    352,785.58x = 93,300,406,014.19
  5. Step 5: Solve for x
    x = 93,300,406,014.19/352,785.58
  6. Step 6: Final answer
    x = 264,467.74

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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.