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Finding the Fourth Proportional to 374,389.38, 516,597.62 and 213,247.58

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Solution

The fourth proportional to 374,389.38, 516,597.62 and 213,247.58 is: 294,247.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,389.38 : 516,597.62 = 213,247.58 : x
  2. Step 2: Convert to fraction form
    374,389.38/516,597.62 = 213,247.58/x
  3. Step 3: Cross multiply
    374,389.38x = 516,597.62 × 213,247.58
  4. Step 4: Simplify right side
    374,389.38x = 110,163,188,649.53
  5. Step 5: Solve for x
    x = 110,163,188,649.53/374,389.38
  6. Step 6: Final answer
    x = 294,247.63

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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.