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Finding the Fourth Proportional to 605,808.30, 836,157.93 and 376,538.75

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Solution

The fourth proportional to 605,808.30, 836,157.93 and 376,538.75 is: 519,712.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,808.30 : 836,157.93 = 376,538.75 : x
  2. Step 2: Convert to fraction form
    605,808.30/836,157.93 = 376,538.75/x
  3. Step 3: Cross multiply
    605,808.30x = 836,157.93 × 376,538.75
  4. Step 4: Simplify right side
    605,808.30x = 314,845,861,764.79
  5. Step 5: Solve for x
    x = 314,845,861,764.79/605,808.30
  6. Step 6: Final answer
    x = 519,712.03

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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.