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Finding the Fourth Proportional to 471,808.85, 651,114.65 and 267,878.75

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Solution

The fourth proportional to 471,808.85, 651,114.65 and 267,878.75 is: 369,683.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,808.85 : 651,114.65 = 267,878.75 : x
  2. Step 2: Convert to fraction form
    471,808.85/651,114.65 = 267,878.75/x
  3. Step 3: Cross multiply
    471,808.85x = 651,114.65 × 267,878.75
  4. Step 4: Simplify right side
    471,808.85x = 174,419,778,356.83
  5. Step 5: Solve for x
    x = 174,419,778,356.83/471,808.85
  6. Step 6: Final answer
    x = 369,683.14

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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.