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Finding the Fourth Proportional to 882,658.22, 1,323,987.32 and 251,555.63

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Solution

The fourth proportional to 882,658.22, 1,323,987.32 and 251,555.63 is: 377,333.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,658.22 : 1,323,987.32 = 251,555.63 : x
  2. Step 2: Convert to fraction form
    882,658.22/1,323,987.32 = 251,555.63/x
  3. Step 3: Cross multiply
    882,658.22x = 1,323,987.32 × 251,555.63
  4. Step 4: Simplify right side
    882,658.22x = 333,056,458,403.56
  5. Step 5: Solve for x
    x = 333,056,458,403.56/882,658.22
  6. Step 6: Final answer
    x = 377,333.44

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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.