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Finding the Fourth Proportional to 398,934.74, 550,527.34 and 226,852.72

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Solution

The fourth proportional to 398,934.74, 550,527.34 and 226,852.72 is: 313,055.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,934.74 : 550,527.34 = 226,852.72 : x
  2. Step 2: Convert to fraction form
    398,934.74/550,527.34 = 226,852.72/x
  3. Step 3: Cross multiply
    398,934.74x = 550,527.34 × 226,852.72
  4. Step 4: Simplify right side
    398,934.74x = 124,888,624,513.37
  5. Step 5: Solve for x
    x = 124,888,624,513.37/398,934.74
  6. Step 6: Final answer
    x = 313,055.27

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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.