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Finding the Fourth Proportional to 576,073.37, 864,110.14 and 155,349.29

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Solution

The fourth proportional to 576,073.37, 864,110.14 and 155,349.29 is: 233,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,073.37 : 864,110.14 = 155,349.29 : x
  2. Step 2: Convert to fraction form
    576,073.37/864,110.14 = 155,349.29/x
  3. Step 3: Cross multiply
    576,073.37x = 864,110.14 × 155,349.29
  4. Step 4: Simplify right side
    576,073.37x = 134,238,892,021.88
  5. Step 5: Solve for x
    x = 134,238,892,021.88/576,073.37
  6. Step 6: Final answer
    x = 233,023.95

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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.