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Finding the Fourth Proportional to 440,197.50, 607,472.55 and 238,993.50

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Solution

The fourth proportional to 440,197.50, 607,472.55 and 238,993.50 is: 329,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,197.50 : 607,472.55 = 238,993.50 : x
  2. Step 2: Convert to fraction form
    440,197.50/607,472.55 = 238,993.50/x
  3. Step 3: Cross multiply
    440,197.50x = 607,472.55 × 238,993.50
  4. Step 4: Simplify right side
    440,197.50x = 145,181,990,878.43
  5. Step 5: Solve for x
    x = 145,181,990,878.43/440,197.50
  6. Step 6: Final answer
    x = 329,811.03

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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.