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Finding the Fourth Proportional to 569,820.16, 855,150.20 and 270,301.60

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Solution

The fourth proportional to 569,820.16, 855,150.20 and 270,301.60 is: 405,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,820.16 : 855,150.20 = 270,301.60 : x
  2. Step 2: Convert to fraction form
    569,820.16/855,150.20 = 270,301.60/x
  3. Step 3: Cross multiply
    569,820.16x = 855,150.20 × 270,301.60
  4. Step 4: Simplify right side
    569,820.16x = 231,148,467,300.32
  5. Step 5: Solve for x
    x = 231,148,467,300.32/569,820.16
  6. Step 6: Final answer
    x = 405,651.61

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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.