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Finding the Fourth Proportional to 1,068.52, 1,603.19 and 375.26

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Solution

The fourth proportional to 1,068.52, 1,603.19 and 375.26 is: 563.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068.52 : 1,603.19 = 375.26 : x
  2. Step 2: Convert to fraction form
    1,068.52/1,603.19 = 375.26/x
  3. Step 3: Cross multiply
    1,068.52x = 1,603.19 × 375.26
  4. Step 4: Simplify right side
    1,068.52x = 601,613.08
  5. Step 5: Solve for x
    x = 601,613.08/1,068.52
  6. Step 6: Final answer
    x = 563.03

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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.