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Finding the Fourth Proportional to 373,776.85, 516,486.77 and 266,160.05

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Solution

The fourth proportional to 373,776.85, 516,486.77 and 266,160.05 is: 367,781.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,776.85 : 516,486.77 = 266,160.05 : x
  2. Step 2: Convert to fraction form
    373,776.85/516,486.77 = 266,160.05/x
  3. Step 3: Cross multiply
    373,776.85x = 516,486.77 × 266,160.05
  4. Step 4: Simplify right side
    373,776.85x = 137,468,143,549.23
  5. Step 5: Solve for x
    x = 137,468,143,549.23/373,776.85
  6. Step 6: Final answer
    x = 367,781.32

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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.