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Finding the Fourth Proportional to 602,381.28, 901,796.40 and 527,647.44

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Solution

The fourth proportional to 602,381.28, 901,796.40 and 527,647.44 is: 789,915.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,381.28 : 901,796.40 = 527,647.44 : x
  2. Step 2: Convert to fraction form
    602,381.28/901,796.40 = 527,647.44/x
  3. Step 3: Cross multiply
    602,381.28x = 901,796.40 × 527,647.44
  4. Step 4: Simplify right side
    602,381.28x = 475,830,561,861.22
  5. Step 5: Solve for x
    x = 475,830,561,861.22/602,381.28
  6. Step 6: Final answer
    x = 789,915.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.