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Finding the Fourth Proportional to 536,661.74, 740,610.96 and 294,952.88

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Solution

The fourth proportional to 536,661.74, 740,610.96 and 294,952.88 is: 407,044.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,661.74 : 740,610.96 = 294,952.88 : x
  2. Step 2: Convert to fraction form
    536,661.74/740,610.96 = 294,952.88/x
  3. Step 3: Cross multiply
    536,661.74x = 740,610.96 × 294,952.88
  4. Step 4: Simplify right side
    536,661.74x = 218,445,335,611.57
  5. Step 5: Solve for x
    x = 218,445,335,611.57/536,661.74
  6. Step 6: Final answer
    x = 407,044.73

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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.