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Finding the Fourth Proportional to 894,933, 1,235,007.72 and 487,036.44

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Solution

The fourth proportional to 894,933, 1,235,007.72 and 487,036.44 is: 672,110.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,933 : 1,235,007.72 = 487,036.44 : x
  2. Step 2: Convert to fraction form
    894,933/1,235,007.72 = 487,036.44/x
  3. Step 3: Cross multiply
    894,933x = 1,235,007.72 × 487,036.44
  4. Step 4: Simplify right side
    894,933x = 601,493,763,321.32
  5. Step 5: Solve for x
    x = 601,493,763,321.32/894,933
  6. Step 6: Final answer
    x = 672,110.39

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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.