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Finding the Fourth Proportional to 607.76, 907.21 and 562.62

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Solution

The fourth proportional to 607.76, 907.21 and 562.62 is: 839.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.76 : 907.21 = 562.62 : x
  2. Step 2: Convert to fraction form
    607.76/907.21 = 562.62/x
  3. Step 3: Cross multiply
    607.76x = 907.21 × 562.62
  4. Step 4: Simplify right side
    607.76x = 510,413.08
  5. Step 5: Solve for x
    x = 510,413.08/607.76
  6. Step 6: Final answer
    x = 839.83

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.