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Finding the Fourth Proportional to 1,074.95, 1,483.41 and 602.96

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Solution

The fourth proportional to 1,074.95, 1,483.41 and 602.96 is: 832.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074.95 : 1,483.41 = 602.96 : x
  2. Step 2: Convert to fraction form
    1,074.95/1,483.41 = 602.96/x
  3. Step 3: Cross multiply
    1,074.95x = 1,483.41 × 602.96
  4. Step 4: Simplify right side
    1,074.95x = 894,442.17
  5. Step 5: Solve for x
    x = 894,442.17/1,074.95
  6. Step 6: Final answer
    x = 832.08

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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.