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Finding the Fourth Proportional to 1,594.20, 2,390.00 and 498.00

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Solution

The fourth proportional to 1,594.20, 2,390.00 and 498.00 is: 746.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.20 : 2,390.00 = 498.00 : x
  2. Step 2: Convert to fraction form
    1,594.20/2,390.00 = 498.00/x
  3. Step 3: Cross multiply
    1,594.20x = 2,390.00 × 498.00
  4. Step 4: Simplify right side
    1,594.20x = 1,190,209.29
  5. Step 5: Solve for x
    x = 1,190,209.29/1,594.20
  6. Step 6: Final answer
    x = 746.59

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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.