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Finding the Fourth Proportional to 588,005.70, 882,008.55 and 455,295.30

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Solution

The fourth proportional to 588,005.70, 882,008.55 and 455,295.30 is: 682,942.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,005.70 : 882,008.55 = 455,295.30 : x
  2. Step 2: Convert to fraction form
    588,005.70/882,008.55 = 455,295.30/x
  3. Step 3: Cross multiply
    588,005.70x = 882,008.55 × 455,295.30
  4. Step 4: Simplify right side
    588,005.70x = 401,574,347,374.82
  5. Step 5: Solve for x
    x = 401,574,347,374.82/588,005.70
  6. Step 6: Final answer
    x = 682,942.95

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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.