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Finding the Fourth Proportional to 503,459.16, 755,190.80 and 203,945.46

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Solution

The fourth proportional to 503,459.16, 755,190.80 and 203,945.46 is: 305,919.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,459.16 : 755,190.80 = 203,945.46 : x
  2. Step 2: Convert to fraction form
    503,459.16/755,190.80 = 203,945.46/x
  3. Step 3: Cross multiply
    503,459.16x = 755,190.80 × 203,945.46
  4. Step 4: Simplify right side
    503,459.16x = 154,017,735,093.77
  5. Step 5: Solve for x
    x = 154,017,735,093.77/503,459.16
  6. Step 6: Final answer
    x = 305,919.02

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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.