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Finding the Fourth Proportional to 1,063.03, 1,466.77 and 670.28

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Solution

The fourth proportional to 1,063.03, 1,466.77 and 670.28 is: 924.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.03 : 1,466.77 = 670.28 : x
  2. Step 2: Convert to fraction form
    1,063.03/1,466.77 = 670.28/x
  3. Step 3: Cross multiply
    1,063.03x = 1,466.77 × 670.28
  4. Step 4: Simplify right side
    1,063.03x = 983,146.60
  5. Step 5: Solve for x
    x = 983,146.60/1,063.03
  6. Step 6: Final answer
    x = 924.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.