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Finding the Fourth Proportional to 694,233.16, 958,029.08 and 392,427.16

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Solution

The fourth proportional to 694,233.16, 958,029.08 and 392,427.16 is: 541,542.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,233.16 : 958,029.08 = 392,427.16 : x
  2. Step 2: Convert to fraction form
    694,233.16/958,029.08 = 392,427.16/x
  3. Step 3: Cross multiply
    694,233.16x = 958,029.08 × 392,427.16
  4. Step 4: Simplify right side
    694,233.16x = 375,956,631,061.81
  5. Step 5: Solve for x
    x = 375,956,631,061.81/694,233.16
  6. Step 6: Final answer
    x = 541,542.31

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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.