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Finding the Fourth Proportional to 1,074.99, 1,483.53 and 602.89

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Solution

The fourth proportional to 1,074.99, 1,483.53 and 602.89 is: 832.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074.99 : 1,483.53 = 602.89 : x
  2. Step 2: Convert to fraction form
    1,074.99/1,483.53 = 602.89/x
  3. Step 3: Cross multiply
    1,074.99x = 1,483.53 × 602.89
  4. Step 4: Simplify right side
    1,074.99x = 894,405.40
  5. Step 5: Solve for x
    x = 894,405.40/1,074.99
  6. Step 6: Final answer
    x = 832.01

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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.