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Finding the Fourth Proportional to 3,808,789.86, 5,713,118.63 and 1,534,256.13

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Solution

The fourth proportional to 3,808,789.86, 5,713,118.63 and 1,534,256.13 is: 2,301,357.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808,789.86 : 5,713,118.63 = 1,534,256.13 : x
  2. Step 2: Convert to fraction form
    3,808,789.86/5,713,118.63 = 1,534,256.13/x
  3. Step 3: Cross multiply
    3,808,789.86x = 5,713,118.63 × 1,534,256.13
  4. Step 4: Simplify right side
    3,808,789.86x = 8,765,387,299,001.08
  5. Step 5: Solve for x
    x = 8,765,387,299,001.08/3,808,789.86
  6. Step 6: Final answer
    x = 2,301,357.55

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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.