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Finding the Fourth Proportional to 364,601.70, 546,902.55 and 331,359.30

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Solution

The fourth proportional to 364,601.70, 546,902.55 and 331,359.30 is: 497,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,601.70 : 546,902.55 = 331,359.30 : x
  2. Step 2: Convert to fraction form
    364,601.70/546,902.55 = 331,359.30/x
  3. Step 3: Cross multiply
    364,601.70x = 546,902.55 × 331,359.30
  4. Step 4: Simplify right side
    364,601.70x = 181,221,246,136.22
  5. Step 5: Solve for x
    x = 181,221,246,136.22/364,601.70
  6. Step 6: Final answer
    x = 497,038.95

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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.