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Finding the Fourth Proportional to 1,068.42, 1,474.35 and 602.58

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Solution

The fourth proportional to 1,068.42, 1,474.35 and 602.58 is: 831.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068.42 : 1,474.35 = 602.58 : x
  2. Step 2: Convert to fraction form
    1,068.42/1,474.35 = 602.58/x
  3. Step 3: Cross multiply
    1,068.42x = 1,474.35 × 602.58
  4. Step 4: Simplify right side
    1,068.42x = 888,413.82
  5. Step 5: Solve for x
    x = 888,413.82/1,068.42
  6. Step 6: Final answer
    x = 831.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.