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Finding the Fourth Proportional to 294,322.93, 406,116.78 and 173,447.81

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Solution

The fourth proportional to 294,322.93, 406,116.78 and 173,447.81 is: 239,329.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,322.93 : 406,116.78 = 173,447.81 : x
  2. Step 2: Convert to fraction form
    294,322.93/406,116.78 = 173,447.81/x
  3. Step 3: Cross multiply
    294,322.93x = 406,116.78 × 173,447.81
  4. Step 4: Simplify right side
    294,322.93x = 70,440,063,197.43
  5. Step 5: Solve for x
    x = 70,440,063,197.43/294,322.93
  6. Step 6: Final answer
    x = 239,329.18

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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.