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Finding the Fourth Proportional to 293,461.88, 405,073.86 and 172,598

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Solution

The fourth proportional to 293,461.88, 405,073.86 and 172,598 is: 238,241.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,461.88 : 405,073.86 = 172,598 : x
  2. Step 2: Convert to fraction form
    293,461.88/405,073.86 = 172,598/x
  3. Step 3: Cross multiply
    293,461.88x = 405,073.86 × 172,598
  4. Step 4: Simplify right side
    293,461.88x = 69,914,938,088.28
  5. Step 5: Solve for x
    x = 69,914,938,088.28/293,461.88
  6. Step 6: Final answer
    x = 238,241.98

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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.