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Finding the Fourth Proportional to 618,515.04, 853,471.08 and 363,773.28

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Solution

The fourth proportional to 618,515.04, 853,471.08 and 363,773.28 is: 501,960.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,515.04 : 853,471.08 = 363,773.28 : x
  2. Step 2: Convert to fraction form
    618,515.04/853,471.08 = 363,773.28/x
  3. Step 3: Cross multiply
    618,515.04x = 853,471.08 × 363,773.28
  4. Step 4: Simplify right side
    618,515.04x = 310,469,974,156.74
  5. Step 5: Solve for x
    x = 310,469,974,156.74/618,515.04
  6. Step 6: Final answer
    x = 501,960.27

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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.