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Finding the Fourth Proportional to 1,594.80, 2,392.20 and 554.76

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Solution

The fourth proportional to 1,594.80, 2,392.20 and 554.76 is: 832.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.80 : 2,392.20 = 554.76 : x
  2. Step 2: Convert to fraction form
    1,594.80/2,392.20 = 554.76/x
  3. Step 3: Cross multiply
    1,594.80x = 2,392.20 × 554.76
  4. Step 4: Simplify right side
    1,594.80x = 1,327,096.87
  5. Step 5: Solve for x
    x = 1,327,096.87/1,594.80
  6. Step 6: Final answer
    x = 832.14

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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.