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Finding the Fourth Proportional to 353,558.04, 487,441.98 and 292,905.24

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Solution

The fourth proportional to 353,558.04, 487,441.98 and 292,905.24 is: 403,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,558.04 : 487,441.98 = 292,905.24 : x
  2. Step 2: Convert to fraction form
    353,558.04/487,441.98 = 292,905.24/x
  3. Step 3: Cross multiply
    353,558.04x = 487,441.98 × 292,905.24
  4. Step 4: Simplify right side
    353,558.04x = 142,774,310,137.98
  5. Step 5: Solve for x
    x = 142,774,310,137.98/353,558.04
  6. Step 6: Final answer
    x = 403,821.42

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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.