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Finding the Fourth Proportional to 606,291.16, 909,436.74 and 269,252.56

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Solution

The fourth proportional to 606,291.16, 909,436.74 and 269,252.56 is: 403,878.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,291.16 : 909,436.74 = 269,252.56 : x
  2. Step 2: Convert to fraction form
    606,291.16/909,436.74 = 269,252.56/x
  3. Step 3: Cross multiply
    606,291.16x = 909,436.74 × 269,252.56
  4. Step 4: Simplify right side
    606,291.16x = 244,868,170,403.05
  5. Step 5: Solve for x
    x = 244,868,170,403.05/606,291.16
  6. Step 6: Final answer
    x = 403,878.84

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Double scale
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Similar ratio
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1.5x scale

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.