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Finding the Fourth Proportional to 500,874.72, 751,312.16 and 303,468

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Solution

The fourth proportional to 500,874.72, 751,312.16 and 303,468 is: 455,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,874.72 : 751,312.16 = 303,468 : x
  2. Step 2: Convert to fraction form
    500,874.72/751,312.16 = 303,468/x
  3. Step 3: Cross multiply
    500,874.72x = 751,312.16 × 303,468
  4. Step 4: Simplify right side
    500,874.72x = 227,999,198,570.88
  5. Step 5: Solve for x
    x = 227,999,198,570.88/500,874.72
  6. Step 6: Final answer
    x = 455,202.05

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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.