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Finding the Fourth Proportional to 622,805.71, 934,503.81 and 370,584.46

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Solution

The fourth proportional to 622,805.71, 934,503.81 and 370,584.46 is: 556,052.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,805.71 : 934,503.81 = 370,584.46 : x
  2. Step 2: Convert to fraction form
    622,805.71/934,503.81 = 370,584.46/x
  3. Step 3: Cross multiply
    622,805.71x = 934,503.81 × 370,584.46
  4. Step 4: Simplify right side
    622,805.71x = 346,312,589,796.79
  5. Step 5: Solve for x
    x = 346,312,589,796.79/622,805.71
  6. Step 6: Final answer
    x = 556,052.37

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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.