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Finding the Fourth Proportional to 637,714.80, 956,226.60 and 263,314.80

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Solution

The fourth proportional to 637,714.80, 956,226.60 and 263,314.80 is: 394,829.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,714.80 : 956,226.60 = 263,314.80 : x
  2. Step 2: Convert to fraction form
    637,714.80/956,226.60 = 263,314.80/x
  3. Step 3: Cross multiply
    637,714.80x = 956,226.60 × 263,314.80
  4. Step 4: Simplify right side
    637,714.80x = 251,788,615,933.68
  5. Step 5: Solve for x
    x = 251,788,615,933.68/637,714.80
  6. Step 6: Final answer
    x = 394,829.50

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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.