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Finding the Fourth Proportional to 703,603.44, 970,441.48 and 442,034.80

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Solution

The fourth proportional to 703,603.44, 970,441.48 and 442,034.80 is: 609,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,603.44 : 970,441.48 = 442,034.80 : x
  2. Step 2: Convert to fraction form
    703,603.44/970,441.48 = 442,034.80/x
  3. Step 3: Cross multiply
    703,603.44x = 970,441.48 × 442,034.80
  4. Step 4: Simplify right side
    703,603.44x = 428,968,905,523.50
  5. Step 5: Solve for x
    x = 428,968,905,523.50/703,603.44
  6. Step 6: Final answer
    x = 609,674.26

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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.