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Finding the Fourth Proportional to 655,326.01, 903,884.03 and 437,424.82

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Solution

The fourth proportional to 655,326.01, 903,884.03 and 437,424.82 is: 603,335.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,326.01 : 903,884.03 = 437,424.82 : x
  2. Step 2: Convert to fraction form
    655,326.01/903,884.03 = 437,424.82/x
  3. Step 3: Cross multiply
    655,326.01x = 903,884.03 × 437,424.82
  4. Step 4: Simplify right side
    655,326.01x = 395,381,304,676.79
  5. Step 5: Solve for x
    x = 395,381,304,676.79/655,326.01
  6. Step 6: Final answer
    x = 603,335.29

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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.