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Finding the Fourth Proportional to 504,389.68, 696,022.98 and 283,659.98

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Solution

The fourth proportional to 504,389.68, 696,022.98 and 283,659.98 is: 391,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,389.68 : 696,022.98 = 283,659.98 : x
  2. Step 2: Convert to fraction form
    504,389.68/696,022.98 = 283,659.98/x
  3. Step 3: Cross multiply
    504,389.68x = 696,022.98 × 283,659.98
  4. Step 4: Simplify right side
    504,389.68x = 197,433,860,042.50
  5. Step 5: Solve for x
    x = 197,433,860,042.50/504,389.68
  6. Step 6: Final answer
    x = 391,431.20

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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.