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Finding the Fourth Proportional to 436,820.02, 655,274.76 and 167,174.98

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Solution

The fourth proportional to 436,820.02, 655,274.76 and 167,174.98 is: 250,779.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,820.02 : 655,274.76 = 167,174.98 : x
  2. Step 2: Convert to fraction form
    436,820.02/655,274.76 = 167,174.98/x
  3. Step 3: Cross multiply
    436,820.02x = 655,274.76 × 167,174.98
  4. Step 4: Simplify right side
    436,820.02x = 109,545,544,897.51
  5. Step 5: Solve for x
    x = 109,545,544,897.51/436,820.02
  6. Step 6: Final answer
    x = 250,779.59

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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.