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Finding the Fourth Proportional to 374,219.01, 516,275.64 and 230,729.94

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Solution

The fourth proportional to 374,219.01, 516,275.64 and 230,729.94 is: 318,316.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,219.01 : 516,275.64 = 230,729.94 : x
  2. Step 2: Convert to fraction form
    374,219.01/516,275.64 = 230,729.94/x
  3. Step 3: Cross multiply
    374,219.01x = 516,275.64 × 230,729.94
  4. Step 4: Simplify right side
    374,219.01x = 119,120,247,440.66
  5. Step 5: Solve for x
    x = 119,120,247,440.66/374,219.01
  6. Step 6: Final answer
    x = 318,316.93

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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.