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Finding the Fourth Proportional to 1,026.36, 1,539.36 and 295.98

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Solution

The fourth proportional to 1,026.36, 1,539.36 and 295.98 is: 443.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.36 : 1,539.36 = 295.98 : x
  2. Step 2: Convert to fraction form
    1,026.36/1,539.36 = 295.98/x
  3. Step 3: Cross multiply
    1,026.36x = 1,539.36 × 295.98
  4. Step 4: Simplify right side
    1,026.36x = 455,619.77
  5. Step 5: Solve for x
    x = 455,619.77/1,026.36
  6. Step 6: Final answer
    x = 443.92

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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.