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Finding the Fourth Proportional to 275,593.20, 413,389.80 and 117,837.60

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Solution

The fourth proportional to 275,593.20, 413,389.80 and 117,837.60 is: 176,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,593.20 : 413,389.80 = 117,837.60 : x
  2. Step 2: Convert to fraction form
    275,593.20/413,389.80 = 117,837.60/x
  3. Step 3: Cross multiply
    275,593.20x = 413,389.80 × 117,837.60
  4. Step 4: Simplify right side
    275,593.20x = 48,712,861,896.48
  5. Step 5: Solve for x
    x = 48,712,861,896.48/275,593.20
  6. Step 6: Final answer
    x = 176,756.40

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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.