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Finding the Fourth Proportional to 350,061.40, 523,779.90 and 231,963.40

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Solution

The fourth proportional to 350,061.40, 523,779.90 and 231,963.40 is: 347,075.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,061.40 : 523,779.90 = 231,963.40 : x
  2. Step 2: Convert to fraction form
    350,061.40/523,779.90 = 231,963.40/x
  3. Step 3: Cross multiply
    350,061.40x = 523,779.90 × 231,963.40
  4. Step 4: Simplify right side
    350,061.40x = 121,497,766,455.66
  5. Step 5: Solve for x
    x = 121,497,766,455.66/350,061.40
  6. Step 6: Final answer
    x = 347,075.59

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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.