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Finding the Fourth Proportional to 264,109.93, 395,279.13 and 216,723.11

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Solution

The fourth proportional to 264,109.93, 395,279.13 and 216,723.11 is: 324,357.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,109.93 : 395,279.13 = 216,723.11 : x
  2. Step 2: Convert to fraction form
    264,109.93/395,279.13 = 216,723.11/x
  3. Step 3: Cross multiply
    264,109.93x = 395,279.13 × 216,723.11
  4. Step 4: Simplify right side
    264,109.93x = 85,666,120,395.30
  5. Step 5: Solve for x
    x = 85,666,120,395.30/264,109.93
  6. Step 6: Final answer
    x = 324,357.82

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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.