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Finding the Fourth Proportional to 614,327.67, 847,814.73 and 372,620.43

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Solution

The fourth proportional to 614,327.67, 847,814.73 and 372,620.43 is: 514,242.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,327.67 : 847,814.73 = 372,620.43 : x
  2. Step 2: Convert to fraction form
    614,327.67/847,814.73 = 372,620.43/x
  3. Step 3: Cross multiply
    614,327.67x = 847,814.73 × 372,620.43
  4. Step 4: Simplify right side
    614,327.67x = 315,913,089,252.93
  5. Step 5: Solve for x
    x = 315,913,089,252.93/614,327.67
  6. Step 6: Final answer
    x = 514,242.00

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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.