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Finding the Fourth Proportional to 487,861.08, 730,844.73 and 359,544.30

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Solution

The fourth proportional to 487,861.08, 730,844.73 and 359,544.30 is: 538,618.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,861.08 : 730,844.73 = 359,544.30 : x
  2. Step 2: Convert to fraction form
    487,861.08/730,844.73 = 359,544.30/x
  3. Step 3: Cross multiply
    487,861.08x = 730,844.73 × 359,544.30
  4. Step 4: Simplify right side
    487,861.08x = 262,771,056,856.54
  5. Step 5: Solve for x
    x = 262,771,056,856.54/487,861.08
  6. Step 6: Final answer
    x = 538,618.61

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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.