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Finding the Fourth Proportional to 352,790.58, 486,854.46 and 191,646.93

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Solution

The fourth proportional to 352,790.58, 486,854.46 and 191,646.93 is: 264,474.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,790.58 : 486,854.46 = 191,646.93 : x
  2. Step 2: Convert to fraction form
    352,790.58/486,854.46 = 191,646.93/x
  3. Step 3: Cross multiply
    352,790.58x = 486,854.46 × 191,646.93
  4. Step 4: Simplify right side
    352,790.58x = 93,304,162,615.81
  5. Step 5: Solve for x
    x = 93,304,162,615.81/352,790.58
  6. Step 6: Final answer
    x = 264,474.64

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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.