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Finding the Fourth Proportional to 476,193.17, 657,144.51 and 261,336.71

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Solution

The fourth proportional to 476,193.17, 657,144.51 and 261,336.71 is: 360,643.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,193.17 : 657,144.51 = 261,336.71 : x
  2. Step 2: Convert to fraction form
    476,193.17/657,144.51 = 261,336.71/x
  3. Step 3: Cross multiply
    476,193.17x = 657,144.51 × 261,336.71
  4. Step 4: Simplify right side
    476,193.17x = 171,735,984,237.96
  5. Step 5: Solve for x
    x = 171,735,984,237.96/476,193.17
  6. Step 6: Final answer
    x = 360,643.53

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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.