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Finding the Fourth Proportional to 294,273, 406,140.48 and 173,375.64

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Solution

The fourth proportional to 294,273, 406,140.48 and 173,375.64 is: 239,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,273 : 406,140.48 = 173,375.64 : x
  2. Step 2: Convert to fraction form
    294,273/406,140.48 = 173,375.64/x
  3. Step 3: Cross multiply
    294,273x = 406,140.48 × 173,375.64
  4. Step 4: Simplify right side
    294,273x = 70,414,865,649.91
  5. Step 5: Solve for x
    x = 70,414,865,649.91/294,273
  6. Step 6: Final answer
    x = 239,284.15

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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.