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Finding the Fourth Proportional to 651,892.57, 899,608.92 and 365,412.66

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Solution

The fourth proportional to 651,892.57, 899,608.92 and 365,412.66 is: 504,267.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,892.57 : 899,608.92 = 365,412.66 : x
  2. Step 2: Convert to fraction form
    651,892.57/899,608.92 = 365,412.66/x
  3. Step 3: Cross multiply
    651,892.57x = 899,608.92 × 365,412.66
  4. Step 4: Simplify right side
    651,892.57x = 328,728,488,416.93
  5. Step 5: Solve for x
    x = 328,728,488,416.93/651,892.57
  6. Step 6: Final answer
    x = 504,267.89

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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.