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Finding the Fourth Proportional to 894,759.88, 1,234,768.64 and 492,351.88

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Solution

The fourth proportional to 894,759.88, 1,234,768.64 and 492,351.88 is: 679,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,759.88 : 1,234,768.64 = 492,351.88 : x
  2. Step 2: Convert to fraction form
    894,759.88/1,234,768.64 = 492,351.88/x
  3. Step 3: Cross multiply
    894,759.88x = 1,234,768.64 × 492,351.88
  4. Step 4: Simplify right side
    894,759.88x = 607,940,661,269.04
  5. Step 5: Solve for x
    x = 607,940,661,269.04/894,759.88
  6. Step 6: Final answer
    x = 679,445.60

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1.5x scale

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.