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Finding the Fourth Proportional to 1,024.46, 1,535.33 and 374.57

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Solution

The fourth proportional to 1,024.46, 1,535.33 and 374.57 is: 561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.46 : 1,535.33 = 374.57 : x
  2. Step 2: Convert to fraction form
    1,024.46/1,535.33 = 374.57/x
  3. Step 3: Cross multiply
    1,024.46x = 1,535.33 × 374.57
  4. Step 4: Simplify right side
    1,024.46x = 575,081.82
  5. Step 5: Solve for x
    x = 575,081.82/1,024.46
  6. Step 6: Final answer
    x = 561.35

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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.