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Finding the Fourth Proportional to 529,847.02, 731,208.10 and 303,536.26

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Solution

The fourth proportional to 529,847.02, 731,208.10 and 303,536.26 is: 418,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,847.02 : 731,208.10 = 303,536.26 : x
  2. Step 2: Convert to fraction form
    529,847.02/731,208.10 = 303,536.26/x
  3. Step 3: Cross multiply
    529,847.02x = 731,208.10 × 303,536.26
  4. Step 4: Simplify right side
    529,847.02x = 221,948,171,955.71
  5. Step 5: Solve for x
    x = 221,948,171,955.71/529,847.02
  6. Step 6: Final answer
    x = 418,891.05

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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.