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Finding the Fourth Proportional to 886,011.88, 1,222,696.40 and 483,603.88

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Solution

The fourth proportional to 886,011.88, 1,222,696.40 and 483,603.88 is: 667,373.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,011.88 : 1,222,696.40 = 483,603.88 : x
  2. Step 2: Convert to fraction form
    886,011.88/1,222,696.40 = 483,603.88/x
  3. Step 3: Cross multiply
    886,011.88x = 1,222,696.40 × 483,603.88
  4. Step 4: Simplify right side
    886,011.88x = 591,300,723,102.03
  5. Step 5: Solve for x
    x = 591,300,723,102.03/886,011.88
  6. Step 6: Final answer
    x = 667,373.36

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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.