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Finding the Fourth Proportional to 606,676.40, 910,014.60 and 382,290.20

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Solution

The fourth proportional to 606,676.40, 910,014.60 and 382,290.20 is: 573,435.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,676.40 : 910,014.60 = 382,290.20 : x
  2. Step 2: Convert to fraction form
    606,676.40/910,014.60 = 382,290.20/x
  3. Step 3: Cross multiply
    606,676.40x = 910,014.60 × 382,290.20
  4. Step 4: Simplify right side
    606,676.40x = 347,889,663,436.92
  5. Step 5: Solve for x
    x = 347,889,663,436.92/606,676.40
  6. Step 6: Final answer
    x = 573,435.30

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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.