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Finding the Fourth Proportional to 275,681.52, 380,343.60 and 180,244.08

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Solution

The fourth proportional to 275,681.52, 380,343.60 and 180,244.08 is: 248,673.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,681.52 : 380,343.60 = 180,244.08 : x
  2. Step 2: Convert to fraction form
    275,681.52/380,343.60 = 180,244.08/x
  3. Step 3: Cross multiply
    275,681.52x = 380,343.60 × 180,244.08
  4. Step 4: Simplify right side
    275,681.52x = 68,554,682,265.89
  5. Step 5: Solve for x
    x = 68,554,682,265.89/275,681.52
  6. Step 6: Final answer
    x = 248,673.48

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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.