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Finding the Fourth Proportional to 471,851.70, 651,115.32 and 265,103.89

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Solution

The fourth proportional to 471,851.70, 651,115.32 and 265,103.89 is: 365,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,851.70 : 651,115.32 = 265,103.89 : x
  2. Step 2: Convert to fraction form
    471,851.70/651,115.32 = 265,103.89/x
  3. Step 3: Cross multiply
    471,851.70x = 651,115.32 × 265,103.89
  4. Step 4: Simplify right side
    471,851.70x = 172,613,201,548.67
  5. Step 5: Solve for x
    x = 172,613,201,548.67/471,851.70
  6. Step 6: Final answer
    x = 365,820.88

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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.