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Finding the Fourth Proportional to 590,335.71, 885,975.39 and 306,107.25

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Solution

The fourth proportional to 590,335.71, 885,975.39 and 306,107.25 is: 459,405.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,335.71 : 885,975.39 = 306,107.25 : x
  2. Step 2: Convert to fraction form
    590,335.71/885,975.39 = 306,107.25/x
  3. Step 3: Cross multiply
    590,335.71x = 885,975.39 × 306,107.25
  4. Step 4: Simplify right side
    590,335.71x = 271,203,490,200.58
  5. Step 5: Solve for x
    x = 271,203,490,200.58/590,335.71
  6. Step 6: Final answer
    x = 459,405.53

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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.