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Finding the Fourth Proportional to 384,715.51, 577,073.27 and 104,232.76

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Solution

The fourth proportional to 384,715.51, 577,073.27 and 104,232.76 is: 156,349.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,715.51 : 577,073.27 = 104,232.76 : x
  2. Step 2: Convert to fraction form
    384,715.51/577,073.27 = 104,232.76/x
  3. Step 3: Cross multiply
    384,715.51x = 577,073.27 × 104,232.76
  4. Step 4: Simplify right side
    384,715.51x = 60,149,940,393.73
  5. Step 5: Solve for x
    x = 60,149,940,393.73/384,715.51
  6. Step 6: Final answer
    x = 156,349.14

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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.