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Finding the Fourth Proportional to 363,739.68, 501,559.56 and 249,037.20

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Solution

The fourth proportional to 363,739.68, 501,559.56 and 249,037.20 is: 343,396.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,739.68 : 501,559.56 = 249,037.20 : x
  2. Step 2: Convert to fraction form
    363,739.68/501,559.56 = 249,037.20/x
  3. Step 3: Cross multiply
    363,739.68x = 501,559.56 × 249,037.20
  4. Step 4: Simplify right side
    363,739.68x = 124,906,988,455.63
  5. Step 5: Solve for x
    x = 124,906,988,455.63/363,739.68
  6. Step 6: Final answer
    x = 343,396.65

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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.