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Finding the Fourth Proportional to 886,009.88, 1,222,693.64 and 483,601.88

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Solution

The fourth proportional to 886,009.88, 1,222,693.64 and 483,601.88 is: 667,370.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,009.88 : 1,222,693.64 = 483,601.88 : x
  2. Step 2: Convert to fraction form
    886,009.88/1,222,693.64 = 483,601.88/x
  3. Step 3: Cross multiply
    886,009.88x = 1,222,693.64 × 483,601.88
  4. Step 4: Simplify right side
    886,009.88x = 591,296,934,436.57
  5. Step 5: Solve for x
    x = 591,296,934,436.57/886,009.88
  6. Step 6: Final answer
    x = 667,370.59

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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.