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Finding the Fourth Proportional to 364,579.80, 546,869.70 and 252,386.70

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Solution

The fourth proportional to 364,579.80, 546,869.70 and 252,386.70 is: 378,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,579.80 : 546,869.70 = 252,386.70 : x
  2. Step 2: Convert to fraction form
    364,579.80/546,869.70 = 252,386.70/x
  3. Step 3: Cross multiply
    364,579.80x = 546,869.70 × 252,386.70
  4. Step 4: Simplify right side
    364,579.80x = 138,022,638,912.99
  5. Step 5: Solve for x
    x = 138,022,638,912.99/364,579.80
  6. Step 6: Final answer
    x = 378,580.05

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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.