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Finding the Fourth Proportional to 300,316.68, 452,252.16 and 261,344.34

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Solution

The fourth proportional to 300,316.68, 452,252.16 and 261,344.34 is: 393,563.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,316.68 : 452,252.16 = 261,344.34 : x
  2. Step 2: Convert to fraction form
    300,316.68/452,252.16 = 261,344.34/x
  3. Step 3: Cross multiply
    300,316.68x = 452,252.16 × 261,344.34
  4. Step 4: Simplify right side
    300,316.68x = 118,193,542,268.77
  5. Step 5: Solve for x
    x = 118,193,542,268.77/300,316.68
  6. Step 6: Final answer
    x = 393,563.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.