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Finding the Fourth Proportional to 393,017.00, 542,327.67 and 227,416.34

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Solution

The fourth proportional to 393,017.00, 542,327.67 and 227,416.34 is: 313,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,017.00 : 542,327.67 = 227,416.34 : x
  2. Step 2: Convert to fraction form
    393,017.00/542,327.67 = 227,416.34/x
  3. Step 3: Cross multiply
    393,017.00x = 542,327.67 × 227,416.34
  4. Step 4: Simplify right side
    393,017.00x = 123,334,173,792.13
  5. Step 5: Solve for x
    x = 123,334,173,792.13/393,017.00
  6. Step 6: Final answer
    x = 313,813.84

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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.