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Finding the Fourth Proportional to 300,255.68, 450,411.47 and 110,708.39

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Solution

The fourth proportional to 300,255.68, 450,411.47 and 110,708.39 is: 166,072.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,255.68 : 450,411.47 = 110,708.39 : x
  2. Step 2: Convert to fraction form
    300,255.68/450,411.47 = 110,708.39/x
  3. Step 3: Cross multiply
    300,255.68x = 450,411.47 × 110,708.39
  4. Step 4: Simplify right side
    300,255.68x = 49,864,328,681.23
  5. Step 5: Solve for x
    x = 49,864,328,681.23/300,255.68
  6. Step 6: Final answer
    x = 166,072.89

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1.5x scale

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.