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Finding the Fourth Proportional to 378,590.76, 567,873.72 and 153,884.88

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Solution

The fourth proportional to 378,590.76, 567,873.72 and 153,884.88 is: 230,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,590.76 : 567,873.72 = 153,884.88 : x
  2. Step 2: Convert to fraction form
    378,590.76/567,873.72 = 153,884.88/x
  3. Step 3: Cross multiply
    378,590.76x = 567,873.72 × 153,884.88
  4. Step 4: Simplify right side
    378,590.76x = 87,387,179,257.35
  5. Step 5: Solve for x
    x = 87,387,179,257.35/378,590.76
  6. Step 6: Final answer
    x = 230,822.27

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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.