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Finding the Fourth Proportional to 476,317.96, 657,316.26 and 261,461.80

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Solution

The fourth proportional to 476,317.96, 657,316.26 and 261,461.80 is: 360,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,317.96 : 657,316.26 = 261,461.80 : x
  2. Step 2: Convert to fraction form
    476,317.96/657,316.26 = 261,461.80/x
  3. Step 3: Cross multiply
    476,317.96x = 657,316.26 × 261,461.80
  4. Step 4: Simplify right side
    476,317.96x = 171,863,092,508.87
  5. Step 5: Solve for x
    x = 171,863,092,508.87/476,317.96
  6. Step 6: Final answer
    x = 360,815.90

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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.