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Finding the Fourth Proportional to 702,999.88, 1,054,679.64 and 204,363.88

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Solution

The fourth proportional to 702,999.88, 1,054,679.64 and 204,363.88 is: 306,598.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,999.88 : 1,054,679.64 = 204,363.88 : x
  2. Step 2: Convert to fraction form
    702,999.88/1,054,679.64 = 204,363.88/x
  3. Step 3: Cross multiply
    702,999.88x = 1,054,679.64 × 204,363.88
  4. Step 4: Simplify right side
    702,999.88x = 215,538,417,092.19
  5. Step 5: Solve for x
    x = 215,538,417,092.19/702,999.88
  6. Step 6: Final answer
    x = 306,598.09

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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.