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Finding the Fourth Proportional to 1,594.29, 2,390.07 and 606.55

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Solution

The fourth proportional to 1,594.29, 2,390.07 and 606.55 is: 909.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.29 : 2,390.07 = 606.55 : x
  2. Step 2: Convert to fraction form
    1,594.29/2,390.07 = 606.55/x
  3. Step 3: Cross multiply
    1,594.29x = 2,390.07 × 606.55
  4. Step 4: Simplify right side
    1,594.29x = 1,449,696.96
  5. Step 5: Solve for x
    x = 1,449,696.96/1,594.29
  6. Step 6: Final answer
    x = 909.31

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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.