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Finding the Fourth Proportional to 381,934, 526,849.64 and 238,444.94

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Solution

The fourth proportional to 381,934, 526,849.64 and 238,444.94 is: 328,917.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,934 : 526,849.64 = 238,444.94 : x
  2. Step 2: Convert to fraction form
    381,934/526,849.64 = 238,444.94/x
  3. Step 3: Cross multiply
    381,934x = 526,849.64 × 238,444.94
  4. Step 4: Simplify right side
    381,934x = 125,624,630,798.82
  5. Step 5: Solve for x
    x = 125,624,630,798.82/381,934
  6. Step 6: Final answer
    x = 328,917.12

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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.