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Finding the Fourth Proportional to 267,309.87, 368,899.74 and 152,619.54

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Solution

The fourth proportional to 267,309.87, 368,899.74 and 152,619.54 is: 210,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,309.87 : 368,899.74 = 152,619.54 : x
  2. Step 2: Convert to fraction form
    267,309.87/368,899.74 = 152,619.54/x
  3. Step 3: Cross multiply
    267,309.87x = 368,899.74 × 152,619.54
  4. Step 4: Simplify right side
    267,309.87x = 56,301,308,624.92
  5. Step 5: Solve for x
    x = 56,301,308,624.92/267,309.87
  6. Step 6: Final answer
    x = 210,621.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.