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Finding the Fourth Proportional to 602,978.87, 832,069.22 and 334,685.75

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Solution

The fourth proportional to 602,978.87, 832,069.22 and 334,685.75 is: 461,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,978.87 : 832,069.22 = 334,685.75 : x
  2. Step 2: Convert to fraction form
    602,978.87/832,069.22 = 334,685.75/x
  3. Step 3: Cross multiply
    602,978.87x = 832,069.22 × 334,685.75
  4. Step 4: Simplify right side
    602,978.87x = 278,481,709,274.19
  5. Step 5: Solve for x
    x = 278,481,709,274.19/602,978.87
  6. Step 6: Final answer
    x = 461,843.23

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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.