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Finding the Fourth Proportional to 479,416.59, 718,439.49 and 352,057.59

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Solution

The fourth proportional to 479,416.59, 718,439.49 and 352,057.59 is: 527,583.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,416.59 : 718,439.49 = 352,057.59 : x
  2. Step 2: Convert to fraction form
    479,416.59/718,439.49 = 352,057.59/x
  3. Step 3: Cross multiply
    479,416.59x = 718,439.49 × 352,057.59
  4. Step 4: Simplify right side
    479,416.59x = 252,932,075,410.23
  5. Step 5: Solve for x
    x = 252,932,075,410.23/479,416.59
  6. Step 6: Final answer
    x = 527,583.07

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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.