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Finding the Fourth Proportional to 1,054.98, 1,582.48 and 362.44

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Solution

The fourth proportional to 1,054.98, 1,582.48 and 362.44 is: 543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054.98 : 1,582.48 = 362.44 : x
  2. Step 2: Convert to fraction form
    1,054.98/1,582.48 = 362.44/x
  3. Step 3: Cross multiply
    1,054.98x = 1,582.48 × 362.44
  4. Step 4: Simplify right side
    1,054.98x = 573,554.05
  5. Step 5: Solve for x
    x = 573,554.05/1,054.98
  6. Step 6: Final answer
    x = 543.67

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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.