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Finding the Fourth Proportional to 501,700.63, 752,543.31 and 347,684.53

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Solution

The fourth proportional to 501,700.63, 752,543.31 and 347,684.53 is: 521,521.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,700.63 : 752,543.31 = 347,684.53 : x
  2. Step 2: Convert to fraction form
    501,700.63/752,543.31 = 347,684.53/x
  3. Step 3: Cross multiply
    501,700.63x = 752,543.31 × 347,684.53
  4. Step 4: Simplify right side
    501,700.63x = 261,647,667,041.99
  5. Step 5: Solve for x
    x = 261,647,667,041.99/501,700.63
  6. Step 6: Final answer
    x = 521,521.50

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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.