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Finding the Fourth Proportional to 384,750.43, 577,187.66 and 118,510.82

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Solution

The fourth proportional to 384,750.43, 577,187.66 and 118,510.82 is: 177,785.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,750.43 : 577,187.66 = 118,510.82 : x
  2. Step 2: Convert to fraction form
    384,750.43/577,187.66 = 118,510.82/x
  3. Step 3: Cross multiply
    384,750.43x = 577,187.66 × 118,510.82
  4. Step 4: Simplify right side
    384,750.43x = 68,402,982,287.93
  5. Step 5: Solve for x
    x = 68,402,982,287.93/384,750.43
  6. Step 6: Final answer
    x = 177,785.33

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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.