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Finding the Fourth Proportional to 401,779.22, 602,649.29 and 149,108.92

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Solution

The fourth proportional to 401,779.22, 602,649.29 and 149,108.92 is: 223,656.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,779.22 : 602,649.29 = 149,108.92 : x
  2. Step 2: Convert to fraction form
    401,779.22/602,649.29 = 149,108.92/x
  3. Step 3: Cross multiply
    401,779.22x = 602,649.29 × 149,108.92
  4. Step 4: Simplify right side
    401,779.22x = 89,860,383,636.82
  5. Step 5: Solve for x
    x = 89,860,383,636.82/401,779.22
  6. Step 6: Final answer
    x = 223,656.13

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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.