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Finding the Fourth Proportional to 606,679.20, 910,018.80 and 291,751.20

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Solution

The fourth proportional to 606,679.20, 910,018.80 and 291,751.20 is: 437,626.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,679.20 : 910,018.80 = 291,751.20 : x
  2. Step 2: Convert to fraction form
    606,679.20/910,018.80 = 291,751.20/x
  3. Step 3: Cross multiply
    606,679.20x = 910,018.80 × 291,751.20
  4. Step 4: Simplify right side
    606,679.20x = 265,499,076,922.56
  5. Step 5: Solve for x
    x = 265,499,076,922.56/606,679.20
  6. Step 6: Final answer
    x = 437,626.80

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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.