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Finding the Fourth Proportional to 379,652.22, 569,635.52 and 166,309.92

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Solution

The fourth proportional to 379,652.22, 569,635.52 and 166,309.92 is: 249,533.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,652.22 : 569,635.52 = 166,309.92 : x
  2. Step 2: Convert to fraction form
    379,652.22/569,635.52 = 166,309.92/x
  3. Step 3: Cross multiply
    379,652.22x = 569,635.52 × 166,309.92
  4. Step 4: Simplify right side
    379,652.22x = 94,736,036,928.81
  5. Step 5: Solve for x
    x = 94,736,036,928.81/379,652.22
  6. Step 6: Final answer
    x = 249,533.74

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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.