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Finding the Fourth Proportional to 474,449.40, 654,739.74 and 259,590.33

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Solution

The fourth proportional to 474,449.40, 654,739.74 and 259,590.33 is: 358,234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,449.40 : 654,739.74 = 259,590.33 : x
  2. Step 2: Convert to fraction form
    474,449.40/654,739.74 = 259,590.33/x
  3. Step 3: Cross multiply
    474,449.40x = 654,739.74 × 259,590.33
  4. Step 4: Simplify right side
    474,449.40x = 169,964,105,170.71
  5. Step 5: Solve for x
    x = 169,964,105,170.71/474,449.40
  6. Step 6: Final answer
    x = 358,234.42

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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.