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Finding the Fourth Proportional to 575,851.38, 863,776.91 and 309,245.14

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Solution

The fourth proportional to 575,851.38, 863,776.91 and 309,245.14 is: 463,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,851.38 : 863,776.91 = 309,245.14 : x
  2. Step 2: Convert to fraction form
    575,851.38/863,776.91 = 309,245.14/x
  3. Step 3: Cross multiply
    575,851.38x = 863,776.91 × 309,245.14
  4. Step 4: Simplify right side
    575,851.38x = 267,118,813,314.55
  5. Step 5: Solve for x
    x = 267,118,813,314.55/575,851.38
  6. Step 6: Final answer
    x = 463,867.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.