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Finding the Fourth Proportional to 461,519.12, 636,904.68 and 270,670.16

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Solution

The fourth proportional to 461,519.12, 636,904.68 and 270,670.16 is: 373,529.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,519.12 : 636,904.68 = 270,670.16 : x
  2. Step 2: Convert to fraction form
    461,519.12/636,904.68 = 270,670.16/x
  3. Step 3: Cross multiply
    461,519.12x = 636,904.68 × 270,670.16
  4. Step 4: Simplify right side
    461,519.12x = 172,391,091,640.35
  5. Step 5: Solve for x
    x = 172,391,091,640.35/461,519.12
  6. Step 6: Final answer
    x = 373,529.69

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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.