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Finding the Fourth Proportional to 384,750.80, 577,188.22 and 118,511.19

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Solution

The fourth proportional to 384,750.80, 577,188.22 and 118,511.19 is: 177,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,750.80 : 577,188.22 = 118,511.19 : x
  2. Step 2: Convert to fraction form
    384,750.80/577,188.22 = 118,511.19/x
  3. Step 3: Cross multiply
    384,750.80x = 577,188.22 × 118,511.19
  4. Step 4: Simplify right side
    384,750.80x = 68,403,262,806.18
  5. Step 5: Solve for x
    x = 68,403,262,806.18/384,750.80
  6. Step 6: Final answer
    x = 177,785.89

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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.