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Finding the Fourth Proportional to 655,000.34, 903,894.09 and 364,607.30

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Solution

The fourth proportional to 655,000.34, 903,894.09 and 364,607.30 is: 503,154.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,000.34 : 903,894.09 = 364,607.30 : x
  2. Step 2: Convert to fraction form
    655,000.34/903,894.09 = 364,607.30/x
  3. Step 3: Cross multiply
    655,000.34x = 903,894.09 × 364,607.30
  4. Step 4: Simplify right side
    655,000.34x = 329,566,383,640.86
  5. Step 5: Solve for x
    x = 329,566,383,640.86/655,000.34
  6. Step 6: Final answer
    x = 503,154.52

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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.