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Finding the Fourth Proportional to 441,430.73, 662,152.17 and 125,887.67

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Solution

The fourth proportional to 441,430.73, 662,152.17 and 125,887.67 is: 188,833.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,430.73 : 662,152.17 = 125,887.67 : x
  2. Step 2: Convert to fraction form
    441,430.73/662,152.17 = 125,887.67/x
  3. Step 3: Cross multiply
    441,430.73x = 662,152.17 × 125,887.67
  4. Step 4: Simplify right side
    441,430.73x = 83,356,793,866.74
  5. Step 5: Solve for x
    x = 83,356,793,866.74/441,430.73
  6. Step 6: Final answer
    x = 188,833.24

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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.