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Finding the Fourth Proportional to 822,842.10, 1,234,753.47 and 367,397.91

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Solution

The fourth proportional to 822,842.10, 1,234,753.47 and 367,397.91 is: 551,315.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,842.10 : 1,234,753.47 = 367,397.91 : x
  2. Step 2: Convert to fraction form
    822,842.10/1,234,753.47 = 367,397.91/x
  3. Step 3: Cross multiply
    822,842.10x = 1,234,753.47 × 367,397.91
  4. Step 4: Simplify right side
    822,842.10x = 453,645,844,243.25
  5. Step 5: Solve for x
    x = 453,645,844,243.25/822,842.10
  6. Step 6: Final answer
    x = 551,315.79

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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.