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Finding the Fourth Proportional to 369,670.43, 510,145.22 and 199,904.56

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Solution

The fourth proportional to 369,670.43, 510,145.22 and 199,904.56 is: 275,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,670.43 : 510,145.22 = 199,904.56 : x
  2. Step 2: Convert to fraction form
    369,670.43/510,145.22 = 199,904.56/x
  3. Step 3: Cross multiply
    369,670.43x = 510,145.22 × 199,904.56
  4. Step 4: Simplify right side
    369,670.43x = 101,980,354,964.60
  5. Step 5: Solve for x
    x = 101,980,354,964.60/369,670.43
  6. Step 6: Final answer
    x = 275,868.30

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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.