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Finding the Fourth Proportional to 595,015.94, 821,006.52 and 353,374.31

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Solution

The fourth proportional to 595,015.94, 821,006.52 and 353,374.31 is: 487,587.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,015.94 : 821,006.52 = 353,374.31 : x
  2. Step 2: Convert to fraction form
    595,015.94/821,006.52 = 353,374.31/x
  3. Step 3: Cross multiply
    595,015.94x = 821,006.52 × 353,374.31
  4. Step 4: Simplify right side
    595,015.94x = 290,122,608,405.47
  5. Step 5: Solve for x
    x = 290,122,608,405.47/595,015.94
  6. Step 6: Final answer
    x = 487,587.96

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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.