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Finding the Fourth Proportional to 438,527.79, 605,168.35 and 237,323.79

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Solution

The fourth proportional to 438,527.79, 605,168.35 and 237,323.79 is: 327,506.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,527.79 : 605,168.35 = 237,323.79 : x
  2. Step 2: Convert to fraction form
    438,527.79/605,168.35 = 237,323.79/x
  3. Step 3: Cross multiply
    438,527.79x = 605,168.35 × 237,323.79
  4. Step 4: Simplify right side
    438,527.79x = 143,620,846,951.43
  5. Step 5: Solve for x
    x = 143,620,846,951.43/438,527.79
  6. Step 6: Final answer
    x = 327,506.83

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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.