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Finding the Fourth Proportional to 292,654.48, 438,780.01 and 115,181.86

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Solution

The fourth proportional to 292,654.48, 438,780.01 and 115,181.86 is: 172,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,654.48 : 438,780.01 = 115,181.86 : x
  2. Step 2: Convert to fraction form
    292,654.48/438,780.01 = 115,181.86/x
  3. Step 3: Cross multiply
    292,654.48x = 438,780.01 × 115,181.86
  4. Step 4: Simplify right side
    292,654.48x = 50,539,497,682.62
  5. Step 5: Solve for x
    x = 50,539,497,682.62/292,654.48
  6. Step 6: Final answer
    x = 172,693.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.