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Finding the Fourth Proportional to 595,511.15, 821,712.87 and 353,787.51

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Solution

The fourth proportional to 595,511.15, 821,712.87 and 353,787.51 is: 488,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,511.15 : 821,712.87 = 353,787.51 : x
  2. Step 2: Convert to fraction form
    595,511.15/821,712.87 = 353,787.51/x
  3. Step 3: Cross multiply
    595,511.15x = 821,712.87 × 353,787.51
  4. Step 4: Simplify right side
    595,511.15x = 290,711,750,212.25
  5. Step 5: Solve for x
    x = 290,711,750,212.25/595,511.15
  6. Step 6: Final answer
    x = 488,171.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.