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Finding the Fourth Proportional to 1,023.94, 1,413.02 and 581.84

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Solution

The fourth proportional to 1,023.94, 1,413.02 and 581.84 is: 802.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023.94 : 1,413.02 = 581.84 : x
  2. Step 2: Convert to fraction form
    1,023.94/1,413.02 = 581.84/x
  3. Step 3: Cross multiply
    1,023.94x = 1,413.02 × 581.84
  4. Step 4: Simplify right side
    1,023.94x = 822,151.56
  5. Step 5: Solve for x
    x = 822,151.56/1,023.94
  6. Step 6: Final answer
    x = 802.93

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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.