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Finding the Fourth Proportional to 294,316.26, 406,169.76 and 173,462.64

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Solution

The fourth proportional to 294,316.26, 406,169.76 and 173,462.64 is: 239,386.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,316.26 : 406,169.76 = 173,462.64 : x
  2. Step 2: Convert to fraction form
    294,316.26/406,169.76 = 173,462.64/x
  3. Step 3: Cross multiply
    294,316.26x = 406,169.76 × 173,462.64
  4. Step 4: Simplify right side
    294,316.26x = 70,455,278,857.77
  5. Step 5: Solve for x
    x = 70,455,278,857.77/294,316.26
  6. Step 6: Final answer
    x = 239,386.29

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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.