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Finding the Fourth Proportional to 381,337.04, 526,245.18 and 211,570.76

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Solution

The fourth proportional to 381,337.04, 526,245.18 and 211,570.76 is: 291,967.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,337.04 : 526,245.18 = 211,570.76 : x
  2. Step 2: Convert to fraction form
    381,337.04/526,245.18 = 211,570.76/x
  3. Step 3: Cross multiply
    381,337.04x = 526,245.18 × 211,570.76
  4. Step 4: Simplify right side
    381,337.04x = 111,338,092,678.94
  5. Step 5: Solve for x
    x = 111,338,092,678.94/381,337.04
  6. Step 6: Final answer
    x = 291,967.68

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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.