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Finding the Fourth Proportional to 655,381.72, 983,072.17 and 374,702.14

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Solution

The fourth proportional to 655,381.72, 983,072.17 and 374,702.14 is: 562,052.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,381.72 : 983,072.17 = 374,702.14 : x
  2. Step 2: Convert to fraction form
    655,381.72/983,072.17 = 374,702.14/x
  3. Step 3: Cross multiply
    655,381.72x = 983,072.17 × 374,702.14
  4. Step 4: Simplify right side
    655,381.72x = 368,359,245,873.44
  5. Step 5: Solve for x
    x = 368,359,245,873.44/655,381.72
  6. Step 6: Final answer
    x = 562,052.98

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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.