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Finding the Fourth Proportional to 349,415.46, 482,245.11 and 213,527.70

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Solution

The fourth proportional to 349,415.46, 482,245.11 and 213,527.70 is: 294,699.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,415.46 : 482,245.11 = 213,527.70 : x
  2. Step 2: Convert to fraction form
    349,415.46/482,245.11 = 213,527.70/x
  3. Step 3: Cross multiply
    349,415.46x = 482,245.11 × 213,527.70
  4. Step 4: Simplify right side
    349,415.46x = 102,972,689,174.55
  5. Step 5: Solve for x
    x = 102,972,689,174.55/349,415.46
  6. Step 6: Final answer
    x = 294,699.87

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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.