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Finding the Fourth Proportional to 504,157.48, 695,728.30 and 274,716.75

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Solution

The fourth proportional to 504,157.48, 695,728.30 and 274,716.75 is: 379,104.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,157.48 : 695,728.30 = 274,716.75 : x
  2. Step 2: Convert to fraction form
    504,157.48/695,728.30 = 274,716.75/x
  3. Step 3: Cross multiply
    504,157.48x = 695,728.30 × 274,716.75
  4. Step 4: Simplify right side
    504,157.48x = 191,128,217,459.03
  5. Step 5: Solve for x
    x = 191,128,217,459.03/504,157.48
  6. Step 6: Final answer
    x = 379,104.20

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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.