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Finding the Fourth Proportional to 567,671.78, 851,507.67 and 230,895.65

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Solution

The fourth proportional to 567,671.78, 851,507.67 and 230,895.65 is: 346,343.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,671.78 : 851,507.67 = 230,895.65 : x
  2. Step 2: Convert to fraction form
    567,671.78/851,507.67 = 230,895.65/x
  3. Step 3: Cross multiply
    567,671.78x = 851,507.67 × 230,895.65
  4. Step 4: Simplify right side
    567,671.78x = 196,609,416,944.64
  5. Step 5: Solve for x
    x = 196,609,416,944.64/567,671.78
  6. Step 6: Final answer
    x = 346,343.48

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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.