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Finding the Fourth Proportional to 560,637.71, 841,067.34 and 205,654.81

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Solution

The fourth proportional to 560,637.71, 841,067.34 and 205,654.81 is: 308,522.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,637.71 : 841,067.34 = 205,654.81 : x
  2. Step 2: Convert to fraction form
    560,637.71/841,067.34 = 205,654.81/x
  3. Step 3: Cross multiply
    560,637.71x = 841,067.34 × 205,654.81
  4. Step 4: Simplify right side
    560,637.71x = 172,969,544,004.91
  5. Step 5: Solve for x
    x = 172,969,544,004.91/560,637.71
  6. Step 6: Final answer
    x = 308,522.85

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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.