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Finding the Fourth Proportional to 694,225.17, 958,018.05 and 392,419.17

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Solution

The fourth proportional to 694,225.17, 958,018.05 and 392,419.17 is: 541,531.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,225.17 : 958,018.05 = 392,419.17 : x
  2. Step 2: Convert to fraction form
    694,225.17/958,018.05 = 392,419.17/x
  3. Step 3: Cross multiply
    694,225.17x = 958,018.05 × 392,419.17
  4. Step 4: Simplify right side
    694,225.17x = 375,944,648,026.02
  5. Step 5: Solve for x
    x = 375,944,648,026.02/694,225.17
  6. Step 6: Final answer
    x = 541,531.28

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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.