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Finding the Fourth Proportional to 365,886.72, 548,514.64 and 141,404.66

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Solution

The fourth proportional to 365,886.72, 548,514.64 and 141,404.66 is: 211,985.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,886.72 : 548,514.64 = 141,404.66 : x
  2. Step 2: Convert to fraction form
    365,886.72/548,514.64 = 141,404.66/x
  3. Step 3: Cross multiply
    365,886.72x = 548,514.64 × 141,404.66
  4. Step 4: Simplify right side
    365,886.72x = 77,562,526,174.22
  5. Step 5: Solve for x
    x = 77,562,526,174.22/365,886.72
  6. Step 6: Final answer
    x = 211,985.08

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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.