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Finding the Fourth Proportional to 622,810.71, 934,511.31 and 370,589.46

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Solution

The fourth proportional to 622,810.71, 934,511.31 and 370,589.46 is: 556,059.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,810.71 : 934,511.31 = 370,589.46 : x
  2. Step 2: Convert to fraction form
    622,810.71/934,511.31 = 370,589.46/x
  3. Step 3: Cross multiply
    622,810.71x = 934,511.31 × 370,589.46
  4. Step 4: Simplify right side
    622,810.71x = 346,320,041,736.79
  5. Step 5: Solve for x
    x = 346,320,041,736.79/622,810.71
  6. Step 6: Final answer
    x = 556,059.87

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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.