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Finding the Fourth Proportional to 618,243.03, 926,737.15 and 351,452.27

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Solution

The fourth proportional to 618,243.03, 926,737.15 and 351,452.27 is: 526,821.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,243.03 : 926,737.15 = 351,452.27 : x
  2. Step 2: Convert to fraction form
    618,243.03/926,737.15 = 351,452.27/x
  3. Step 3: Cross multiply
    618,243.03x = 926,737.15 × 351,452.27
  4. Step 4: Simplify right side
    618,243.03x = 325,703,871,945.15
  5. Step 5: Solve for x
    x = 325,703,871,945.15/618,243.03
  6. Step 6: Final answer
    x = 526,821.75

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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.