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Finding the Fourth Proportional to 378,392.13, 567,303.75 and 178,598.88

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Solution

The fourth proportional to 378,392.13, 567,303.75 and 178,598.88 is: 267,764.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,392.13 : 567,303.75 = 178,598.88 : x
  2. Step 2: Convert to fraction form
    378,392.13/567,303.75 = 178,598.88/x
  3. Step 3: Cross multiply
    378,392.13x = 567,303.75 × 178,598.88
  4. Step 4: Simplify right side
    378,392.13x = 101,319,814,369.80
  5. Step 5: Solve for x
    x = 101,319,814,369.80/378,392.13
  6. Step 6: Final answer
    x = 267,764.06

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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.