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Finding the Fourth Proportional to 892,008, 1,230,980.22 and 484,113.33

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Solution

The fourth proportional to 892,008, 1,230,980.22 and 484,113.33 is: 668,081.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,008 : 1,230,980.22 = 484,113.33 : x
  2. Step 2: Convert to fraction form
    892,008/1,230,980.22 = 484,113.33/x
  3. Step 3: Cross multiply
    892,008x = 1,230,980.22 × 484,113.33
  4. Step 4: Simplify right side
    892,008x = 595,933,933,468.33
  5. Step 5: Solve for x
    x = 595,933,933,468.33/892,008
  6. Step 6: Final answer
    x = 668,081.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.