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Finding the Fourth Proportional to 285,527.34, 394,027.73 and 158,202.93

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Solution

The fourth proportional to 285,527.34, 394,027.73 and 158,202.93 is: 218,320.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,527.34 : 394,027.73 = 158,202.93 : x
  2. Step 2: Convert to fraction form
    285,527.34/394,027.73 = 158,202.93/x
  3. Step 3: Cross multiply
    285,527.34x = 394,027.73 × 158,202.93
  4. Step 4: Simplify right side
    285,527.34x = 62,336,342,003.84
  5. Step 5: Solve for x
    x = 62,336,342,003.84/285,527.34
  6. Step 6: Final answer
    x = 218,320.05

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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.