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Finding the Fourth Proportional to 1,594.96, 2,390.46 and 900.60

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Solution

The fourth proportional to 1,594.96, 2,390.46 and 900.60 is: 1,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.96 : 2,390.46 = 900.60 : x
  2. Step 2: Convert to fraction form
    1,594.96/2,390.46 = 900.60/x
  3. Step 3: Cross multiply
    1,594.96x = 2,390.46 × 900.60
  4. Step 4: Simplify right side
    1,594.96x = 2,152,848.28
  5. Step 5: Solve for x
    x = 2,152,848.28/1,594.96
  6. Step 6: Final answer
    x = 1,349.78

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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.