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Finding the Fourth Proportional to 270,588.52, 405,401.26 and 230,741.40

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Solution

The fourth proportional to 270,588.52, 405,401.26 and 230,741.40 is: 345,701.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,588.52 : 405,401.26 = 230,741.40 : x
  2. Step 2: Convert to fraction form
    270,588.52/405,401.26 = 230,741.40/x
  3. Step 3: Cross multiply
    270,588.52x = 405,401.26 × 230,741.40
  4. Step 4: Simplify right side
    270,588.52x = 93,542,854,294.16
  5. Step 5: Solve for x
    x = 93,542,854,294.16/270,588.52
  6. Step 6: Final answer
    x = 345,701.49

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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.