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Finding the Fourth Proportional to 572,739.71, 790,334.55 and 331,037.93

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Solution

The fourth proportional to 572,739.71, 790,334.55 and 331,037.93 is: 456,805.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,739.71 : 790,334.55 = 331,037.93 : x
  2. Step 2: Convert to fraction form
    572,739.71/790,334.55 = 331,037.93/x
  3. Step 3: Cross multiply
    572,739.71x = 790,334.55 × 331,037.93
  4. Step 4: Simplify right side
    572,739.71x = 261,630,715,415.32
  5. Step 5: Solve for x
    x = 261,630,715,415.32/572,739.71
  6. Step 6: Final answer
    x = 456,805.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.