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Finding the Fourth Proportional to 1,045.07, 1,441.77 and 602.88

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Solution

The fourth proportional to 1,045.07, 1,441.77 and 602.88 is: 831.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.07 : 1,441.77 = 602.88 : x
  2. Step 2: Convert to fraction form
    1,045.07/1,441.77 = 602.88/x
  3. Step 3: Cross multiply
    1,045.07x = 1,441.77 × 602.88
  4. Step 4: Simplify right side
    1,045.07x = 869,214.30
  5. Step 5: Solve for x
    x = 869,214.30/1,045.07
  6. Step 6: Final answer
    x = 831.73

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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.