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Finding the Fourth Proportional to 503,226.40, 754,256.40 and 203,558.80

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Solution

The fourth proportional to 503,226.40, 754,256.40 and 203,558.80 is: 305,102.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,226.40 : 754,256.40 = 203,558.80 : x
  2. Step 2: Convert to fraction form
    503,226.40/754,256.40 = 203,558.80/x
  3. Step 3: Cross multiply
    503,226.40x = 754,256.40 × 203,558.80
  4. Step 4: Simplify right side
    503,226.40x = 153,535,527,676.32
  5. Step 5: Solve for x
    x = 153,535,527,676.32/503,226.40
  6. Step 6: Final answer
    x = 305,102.29

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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.