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Finding the Fourth Proportional to 365,933.72, 549,404.30 and 186,140.82

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Solution

The fourth proportional to 365,933.72, 549,404.30 and 186,140.82 is: 279,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,933.72 : 549,404.30 = 186,140.82 : x
  2. Step 2: Convert to fraction form
    365,933.72/549,404.30 = 186,140.82/x
  3. Step 3: Cross multiply
    365,933.72x = 549,404.30 × 186,140.82
  4. Step 4: Simplify right side
    365,933.72x = 102,266,565,982.82
  5. Step 5: Solve for x
    x = 102,266,565,982.82/365,933.72
  6. Step 6: Final answer
    x = 279,467.45

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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.