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Finding the Fourth Proportional to 364,605.20, 546,907.80 and 331,362.80

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Solution

The fourth proportional to 364,605.20, 546,907.80 and 331,362.80 is: 497,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,605.20 : 546,907.80 = 331,362.80 : x
  2. Step 2: Convert to fraction form
    364,605.20/546,907.80 = 331,362.80/x
  3. Step 3: Cross multiply
    364,605.20x = 546,907.80 × 331,362.80
  4. Step 4: Simplify right side
    364,605.20x = 181,224,899,949.84
  5. Step 5: Solve for x
    x = 181,224,899,949.84/364,605.20
  6. Step 6: Final answer
    x = 497,044.20

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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.