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Finding the Fourth Proportional to 619,008.84, 928,475.04 and 219,597

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Solution

The fourth proportional to 619,008.84, 928,475.04 and 219,597 is: 329,381.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,008.84 : 928,475.04 = 219,597 : x
  2. Step 2: Convert to fraction form
    619,008.84/928,475.04 = 219,597/x
  3. Step 3: Cross multiply
    619,008.84x = 928,475.04 × 219,597
  4. Step 4: Simplify right side
    619,008.84x = 203,890,333,358.88
  5. Step 5: Solve for x
    x = 203,890,333,358.88/619,008.84
  6. Step 6: Final answer
    x = 329,381.94

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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.