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Finding the Fourth Proportional to 590,338.71, 885,979.89 and 306,110.25

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Solution

The fourth proportional to 590,338.71, 885,979.89 and 306,110.25 is: 459,410.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,338.71 : 885,979.89 = 306,110.25 : x
  2. Step 2: Convert to fraction form
    590,338.71/885,979.89 = 306,110.25/x
  3. Step 3: Cross multiply
    590,338.71x = 885,979.89 × 306,110.25
  4. Step 4: Simplify right side
    590,338.71x = 271,207,525,622.87
  5. Step 5: Solve for x
    x = 271,207,525,622.87/590,338.71
  6. Step 6: Final answer
    x = 459,410.03

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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.