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Finding the Fourth Proportional to 350,542.51, 483,748.88 and 189,397.53

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Solution

The fourth proportional to 350,542.51, 483,748.88 and 189,397.53 is: 261,368.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,542.51 : 483,748.88 = 189,397.53 : x
  2. Step 2: Convert to fraction form
    350,542.51/483,748.88 = 189,397.53/x
  3. Step 3: Cross multiply
    350,542.51x = 483,748.88 × 189,397.53
  4. Step 4: Simplify right side
    350,542.51x = 91,620,842,065.28
  5. Step 5: Solve for x
    x = 91,620,842,065.28/350,542.51
  6. Step 6: Final answer
    x = 261,368.71

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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.