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Finding the Fourth Proportional to 894,752.76, 1,234,809.90 and 512,843.16

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Solution

The fourth proportional to 894,752.76, 1,234,809.90 and 512,843.16 is: 707,752.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,752.76 : 1,234,809.90 = 512,843.16 : x
  2. Step 2: Convert to fraction form
    894,752.76/1,234,809.90 = 512,843.16/x
  3. Step 3: Cross multiply
    894,752.76x = 1,234,809.90 × 512,843.16
  4. Step 4: Simplify right side
    894,752.76x = 633,263,811,115.28
  5. Step 5: Solve for x
    x = 633,263,811,115.28/894,752.76
  6. Step 6: Final answer
    x = 707,752.84

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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.