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Finding the Fourth Proportional to 319,854.94, 441,399.81 and 176,615.26

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Solution

The fourth proportional to 319,854.94, 441,399.81 and 176,615.26 is: 243,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,854.94 : 441,399.81 = 176,615.26 : x
  2. Step 2: Convert to fraction form
    319,854.94/441,399.81 = 176,615.26/x
  3. Step 3: Cross multiply
    319,854.94x = 441,399.81 × 176,615.26
  4. Step 4: Simplify right side
    319,854.94x = 77,957,942,207.10
  5. Step 5: Solve for x
    x = 77,957,942,207.10/319,854.94
  6. Step 6: Final answer
    x = 243,729.05

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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.