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Finding the Fourth Proportional to 651,704.90, 899,388.69 and 365,316.98

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Solution

The fourth proportional to 651,704.90, 899,388.69 and 365,316.98 is: 504,157.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,704.90 : 899,388.69 = 365,316.98 : x
  2. Step 2: Convert to fraction form
    651,704.90/899,388.69 = 365,316.98/x
  3. Step 3: Cross multiply
    651,704.90x = 899,388.69 × 365,316.98
  4. Step 4: Simplify right side
    651,704.90x = 328,561,960,076.96
  5. Step 5: Solve for x
    x = 328,561,960,076.96/651,704.90
  6. Step 6: Final answer
    x = 504,157.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.