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Finding the Fourth Proportional to 374,360.46, 516,709.22 and 213,310.38

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Solution

The fourth proportional to 374,360.46, 516,709.22 and 213,310.38 is: 294,420.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,360.46 : 516,709.22 = 213,310.38 : x
  2. Step 2: Convert to fraction form
    374,360.46/516,709.22 = 213,310.38/x
  3. Step 3: Cross multiply
    374,360.46x = 516,709.22 × 213,310.38
  4. Step 4: Simplify right side
    374,360.46x = 110,219,439,001.15
  5. Step 5: Solve for x
    x = 110,219,439,001.15/374,360.46
  6. Step 6: Final answer
    x = 294,420.62

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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.