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Finding the Fourth Proportional to 379,092.60, 569,483.70 and 316,884.60

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Solution

The fourth proportional to 379,092.60, 569,483.70 and 316,884.60 is: 476,033.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,092.60 : 569,483.70 = 316,884.60 : x
  2. Step 2: Convert to fraction form
    379,092.60/569,483.70 = 316,884.60/x
  3. Step 3: Cross multiply
    379,092.60x = 569,483.70 × 316,884.60
  4. Step 4: Simplify right side
    379,092.60x = 180,460,614,481.02
  5. Step 5: Solve for x
    x = 180,460,614,481.02/379,092.60
  6. Step 6: Final answer
    x = 476,033.07

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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.