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Finding the Fourth Proportional to 479,694.98, 719,994.54 and 352,948.79

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Solution

The fourth proportional to 479,694.98, 719,994.54 and 352,948.79 is: 529,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,694.98 : 719,994.54 = 352,948.79 : x
  2. Step 2: Convert to fraction form
    479,694.98/719,994.54 = 352,948.79/x
  3. Step 3: Cross multiply
    479,694.98x = 719,994.54 × 352,948.79
  4. Step 4: Simplify right side
    479,694.98x = 254,121,201,699.61
  5. Step 5: Solve for x
    x = 254,121,201,699.61/479,694.98
  6. Step 6: Final answer
    x = 529,755.81

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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.