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Finding the Fourth Proportional to 503,999.94, 756,147.56 and 149,023.20

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Solution

The fourth proportional to 503,999.94, 756,147.56 and 149,023.20 is: 223,578.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,999.94 : 756,147.56 = 149,023.20 : x
  2. Step 2: Convert to fraction form
    503,999.94/756,147.56 = 149,023.20/x
  3. Step 3: Cross multiply
    503,999.94x = 756,147.56 × 149,023.20
  4. Step 4: Simplify right side
    503,999.94x = 112,683,528,318.28
  5. Step 5: Solve for x
    x = 112,683,528,318.28/503,999.94
  6. Step 6: Final answer
    x = 223,578.46

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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.