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Finding the Fourth Proportional to 576,191.44, 864,379.32 and 243,770.32

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Solution

The fourth proportional to 576,191.44, 864,379.32 and 243,770.32 is: 365,694.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,191.44 : 864,379.32 = 243,770.32 : x
  2. Step 2: Convert to fraction form
    576,191.44/864,379.32 = 243,770.32/x
  3. Step 3: Cross multiply
    576,191.44x = 864,379.32 × 243,770.32
  4. Step 4: Simplify right side
    576,191.44x = 210,710,023,437.78
  5. Step 5: Solve for x
    x = 210,710,023,437.78/576,191.44
  6. Step 6: Final answer
    x = 365,694.47

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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.