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Finding the Fourth Proportional to 529,261.62, 794,164.11 and 259,384.70

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Solution

The fourth proportional to 529,261.62, 794,164.11 and 259,384.70 is: 389,210.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,261.62 : 794,164.11 = 259,384.70 : x
  2. Step 2: Convert to fraction form
    529,261.62/794,164.11 = 259,384.70/x
  3. Step 3: Cross multiply
    529,261.62x = 794,164.11 × 259,384.70
  4. Step 4: Simplify right side
    529,261.62x = 205,994,019,423.12
  5. Step 5: Solve for x
    x = 205,994,019,423.12/529,261.62
  6. Step 6: Final answer
    x = 389,210.20

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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.