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Finding the Fourth Proportional to 613,325.57, 920,176.73 and 314,016.33

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Solution

The fourth proportional to 613,325.57, 920,176.73 and 314,016.33 is: 471,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,325.57 : 920,176.73 = 314,016.33 : x
  2. Step 2: Convert to fraction form
    613,325.57/920,176.73 = 314,016.33/x
  3. Step 3: Cross multiply
    613,325.57x = 920,176.73 × 314,016.33
  4. Step 4: Simplify right side
    613,325.57x = 288,950,519,706.00
  5. Step 5: Solve for x
    x = 288,950,519,706.00/613,325.57
  6. Step 6: Final answer
    x = 471,120.94

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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.