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Finding the Fourth Proportional to 655,562.48, 904,675.95 and 383,682.15

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Solution

The fourth proportional to 655,562.48, 904,675.95 and 383,682.15 is: 529,481.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,562.48 : 904,675.95 = 383,682.15 : x
  2. Step 2: Convert to fraction form
    655,562.48/904,675.95 = 383,682.15/x
  3. Step 3: Cross multiply
    655,562.48x = 904,675.95 × 383,682.15
  4. Step 4: Simplify right side
    655,562.48x = 347,108,013,549.29
  5. Step 5: Solve for x
    x = 347,108,013,549.29/655,562.48
  6. Step 6: Final answer
    x = 529,481.21

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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.