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Finding the Fourth Proportional to 618,503.22, 925,887.24 and 559,366.74

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Solution

The fourth proportional to 618,503.22, 925,887.24 and 559,366.74 is: 837,361.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,503.22 : 925,887.24 = 559,366.74 : x
  2. Step 2: Convert to fraction form
    618,503.22/925,887.24 = 559,366.74/x
  3. Step 3: Cross multiply
    618,503.22x = 925,887.24 × 559,366.74
  4. Step 4: Simplify right side
    618,503.22x = 517,910,527,046.40
  5. Step 5: Solve for x
    x = 517,910,527,046.40/618,503.22
  6. Step 6: Final answer
    x = 837,361.08

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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.