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Finding the Fourth Proportional to 524,023.75, 723,105.05 and 303,222.87

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Solution

The fourth proportional to 524,023.75, 723,105.05 and 303,222.87 is: 418,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,023.75 : 723,105.05 = 303,222.87 : x
  2. Step 2: Convert to fraction form
    524,023.75/723,105.05 = 303,222.87/x
  3. Step 3: Cross multiply
    524,023.75x = 723,105.05 × 303,222.87
  4. Step 4: Simplify right side
    524,023.75x = 219,261,988,572.49
  5. Step 5: Solve for x
    x = 219,261,988,572.49/524,023.75
  6. Step 6: Final answer
    x = 418,419.94

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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.