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Finding the Fourth Proportional to 417,994.25, 576,838.73 and 227,007.63

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Solution

The fourth proportional to 417,994.25, 576,838.73 and 227,007.63 is: 313,274.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,994.25 : 576,838.73 = 227,007.63 : x
  2. Step 2: Convert to fraction form
    417,994.25/576,838.73 = 227,007.63/x
  3. Step 3: Cross multiply
    417,994.25x = 576,838.73 × 227,007.63
  4. Step 4: Simplify right side
    417,994.25x = 130,946,793,557.03
  5. Step 5: Solve for x
    x = 130,946,793,557.03/417,994.25
  6. Step 6: Final answer
    x = 313,274.15

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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.