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Finding the Fourth Proportional to 1,038.63, 1,433.33 and 596.53

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Solution

The fourth proportional to 1,038.63, 1,433.33 and 596.53 is: 823.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038.63 : 1,433.33 = 596.53 : x
  2. Step 2: Convert to fraction form
    1,038.63/1,433.33 = 596.53/x
  3. Step 3: Cross multiply
    1,038.63x = 1,433.33 × 596.53
  4. Step 4: Simplify right side
    1,038.63x = 855,024.34
  5. Step 5: Solve for x
    x = 855,024.34/1,038.63
  6. Step 6: Final answer
    x = 823.22

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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.