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Finding the Fourth Proportional to 439,527.75, 606,548.57 and 238,323.75

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Solution

The fourth proportional to 439,527.75, 606,548.57 and 238,323.75 is: 328,886.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,527.75 : 606,548.57 = 238,323.75 : x
  2. Step 2: Convert to fraction form
    439,527.75/606,548.57 = 238,323.75/x
  3. Step 3: Cross multiply
    439,527.75x = 606,548.57 × 238,323.75
  4. Step 4: Simplify right side
    439,527.75x = 144,554,928,567.92
  5. Step 5: Solve for x
    x = 144,554,928,567.92/439,527.75
  6. Step 6: Final answer
    x = 328,886.92

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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.