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Finding the Fourth Proportional to 1,023.46, 1,533.82 and 373.58

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Solution

The fourth proportional to 1,023.46, 1,533.82 and 373.58 is: 559.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023.46 : 1,533.82 = 373.58 : x
  2. Step 2: Convert to fraction form
    1,023.46/1,533.82 = 373.58/x
  3. Step 3: Cross multiply
    1,023.46x = 1,533.82 × 373.58
  4. Step 4: Simplify right side
    1,023.46x = 573,004.48
  5. Step 5: Solve for x
    x = 573,004.48/1,023.46
  6. Step 6: Final answer
    x = 559.87

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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.