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Finding the Fourth Proportional to 442,586.55, 663,879.33 and 176,533.92

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Solution

The fourth proportional to 442,586.55, 663,879.33 and 176,533.92 is: 264,800.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,586.55 : 663,879.33 = 176,533.92 : x
  2. Step 2: Convert to fraction form
    442,586.55/663,879.33 = 176,533.92/x
  3. Step 3: Cross multiply
    442,586.55x = 663,879.33 × 176,533.92
  4. Step 4: Simplify right side
    442,586.55x = 117,197,220,531.87
  5. Step 5: Solve for x
    x = 117,197,220,531.87/442,586.55
  6. Step 6: Final answer
    x = 264,800.68

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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.