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Finding the Fourth Proportional to 529,315.60, 794,203.80 and 266,659.60

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Solution

The fourth proportional to 529,315.60, 794,203.80 and 266,659.60 is: 400,105.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,315.60 : 794,203.80 = 266,659.60 : x
  2. Step 2: Convert to fraction form
    529,315.60/794,203.80 = 266,659.60/x
  3. Step 3: Cross multiply
    529,315.60x = 794,203.80 × 266,659.60
  4. Step 4: Simplify right side
    529,315.60x = 211,782,067,626.48
  5. Step 5: Solve for x
    x = 211,782,067,626.48/529,315.60
  6. Step 6: Final answer
    x = 400,105.47

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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.