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Finding the Fourth Proportional to 370,067.79, 510,705.93 and 226,800.15

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Solution

The fourth proportional to 370,067.79, 510,705.93 and 226,800.15 is: 312,991.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,067.79 : 510,705.93 = 226,800.15 : x
  2. Step 2: Convert to fraction form
    370,067.79/510,705.93 = 226,800.15/x
  3. Step 3: Cross multiply
    370,067.79x = 510,705.93 × 226,800.15
  4. Step 4: Simplify right side
    370,067.79x = 115,828,181,529.89
  5. Step 5: Solve for x
    x = 115,828,181,529.89/370,067.79
  6. Step 6: Final answer
    x = 312,991.79

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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.