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Finding the Fourth Proportional to 363,334.80, 545,923.80 and 322,784.40

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Solution

The fourth proportional to 363,334.80, 545,923.80 and 322,784.40 is: 484,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,334.80 : 545,923.80 = 322,784.40 : x
  2. Step 2: Convert to fraction form
    363,334.80/545,923.80 = 322,784.40/x
  3. Step 3: Cross multiply
    363,334.80x = 545,923.80 × 322,784.40
  4. Step 4: Simplify right side
    363,334.80x = 176,215,686,228.72
  5. Step 5: Solve for x
    x = 176,215,686,228.72/363,334.80
  6. Step 6: Final answer
    x = 484,995.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.