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Finding the Fourth Proportional to 631,713.87, 948,227.09 and 365,993.55

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Solution

The fourth proportional to 631,713.87, 948,227.09 and 365,993.55 is: 549,370.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,713.87 : 948,227.09 = 365,993.55 : x
  2. Step 2: Convert to fraction form
    631,713.87/948,227.09 = 365,993.55/x
  3. Step 3: Cross multiply
    631,713.87x = 948,227.09 × 365,993.55
  4. Step 4: Simplify right side
    631,713.87x = 347,044,997,045.30
  5. Step 5: Solve for x
    x = 347,044,997,045.30/631,713.87
  6. Step 6: Final answer
    x = 549,370.55

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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.