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Finding the Fourth Proportional to 385,766.02, 533,372.49 and 337,881.65

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Solution

The fourth proportional to 385,766.02, 533,372.49 and 337,881.65 is: 467,166.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,766.02 : 533,372.49 = 337,881.65 : x
  2. Step 2: Convert to fraction form
    385,766.02/533,372.49 = 337,881.65/x
  3. Step 3: Cross multiply
    385,766.02x = 533,372.49 × 337,881.65
  4. Step 4: Simplify right side
    385,766.02x = 180,216,775,296.40
  5. Step 5: Solve for x
    x = 180,216,775,296.40/385,766.02
  6. Step 6: Final answer
    x = 467,166.02

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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.