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Finding the Fourth Proportional to 238,527.70, 357,791.55 and 145,215.70

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Solution

The fourth proportional to 238,527.70, 357,791.55 and 145,215.70 is: 217,823.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,527.70 : 357,791.55 = 145,215.70 : x
  2. Step 2: Convert to fraction form
    238,527.70/357,791.55 = 145,215.70/x
  3. Step 3: Cross multiply
    238,527.70x = 357,791.55 × 145,215.70
  4. Step 4: Simplify right side
    238,527.70x = 51,956,950,387.34
  5. Step 5: Solve for x
    x = 51,956,950,387.34/238,527.70
  6. Step 6: Final answer
    x = 217,823.55

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1.5x scale

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.