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Finding the Fourth Proportional to 364,558.70, 546,838.05 and 329,129.30

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Solution

The fourth proportional to 364,558.70, 546,838.05 and 329,129.30 is: 493,693.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,558.70 : 546,838.05 = 329,129.30 : x
  2. Step 2: Convert to fraction form
    364,558.70/546,838.05 = 329,129.30/x
  3. Step 3: Cross multiply
    364,558.70x = 546,838.05 × 329,129.30
  4. Step 4: Simplify right side
    364,558.70x = 179,980,424,609.87
  5. Step 5: Solve for x
    x = 179,980,424,609.87/364,558.70
  6. Step 6: Final answer
    x = 493,693.95

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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.