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Finding the Fourth Proportional to 382,011.78, 526,956.72 and 238,522.71

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Solution

The fourth proportional to 382,011.78, 526,956.72 and 238,522.71 is: 329,024.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,011.78 : 526,956.72 = 238,522.71 : x
  2. Step 2: Convert to fraction form
    382,011.78/526,956.72 = 238,522.71/x
  3. Step 3: Cross multiply
    382,011.78x = 526,956.72 × 238,522.71
  4. Step 4: Simplify right side
    382,011.78x = 125,691,145,988.74
  5. Step 5: Solve for x
    x = 125,691,145,988.74/382,011.78
  6. Step 6: Final answer
    x = 329,024.26

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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.