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Finding the Fourth Proportional to 1,063.34, 1,595.03 and 413.94

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Solution

The fourth proportional to 1,063.34, 1,595.03 and 413.94 is: 620.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.34 : 1,595.03 = 413.94 : x
  2. Step 2: Convert to fraction form
    1,063.34/1,595.03 = 413.94/x
  3. Step 3: Cross multiply
    1,063.34x = 1,595.03 × 413.94
  4. Step 4: Simplify right side
    1,063.34x = 660,246.72
  5. Step 5: Solve for x
    x = 660,246.72/1,063.34
  6. Step 6: Final answer
    x = 620.92

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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.