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Finding the Fourth Proportional to 339,792.30, 468,925.42 and 186,842.14

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Solution

The fourth proportional to 339,792.30, 468,925.42 and 186,842.14 is: 257,848.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,792.30 : 468,925.42 = 186,842.14 : x
  2. Step 2: Convert to fraction form
    339,792.30/468,925.42 = 186,842.14/x
  3. Step 3: Cross multiply
    339,792.30x = 468,925.42 × 186,842.14
  4. Step 4: Simplify right side
    339,792.30x = 87,615,028,973.20
  5. Step 5: Solve for x
    x = 87,615,028,973.20/339,792.30
  6. Step 6: Final answer
    x = 257,848.78

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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.