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Finding the Fourth Proportional to 254,070.86, 349,737.57 and 219,599.79

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Solution

The fourth proportional to 254,070.86, 349,737.57 and 219,599.79 is: 302,286.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,070.86 : 349,737.57 = 219,599.79 : x
  2. Step 2: Convert to fraction form
    254,070.86/349,737.57 = 219,599.79/x
  3. Step 3: Cross multiply
    254,070.86x = 349,737.57 × 219,599.79
  4. Step 4: Simplify right side
    254,070.86x = 76,802,296,439.09
  5. Step 5: Solve for x
    x = 76,802,296,439.09/254,070.86
  6. Step 6: Final answer
    x = 302,286.92

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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.