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Finding the Fourth Proportional to 703,233.48, 970,466.82 and 380,943.54

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Solution

The fourth proportional to 703,233.48, 970,466.82 and 380,943.54 is: 525,704.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,233.48 : 970,466.82 = 380,943.54 : x
  2. Step 2: Convert to fraction form
    703,233.48/970,466.82 = 380,943.54/x
  3. Step 3: Cross multiply
    703,233.48x = 970,466.82 × 380,943.54
  4. Step 4: Simplify right side
    703,233.48x = 369,693,065,863.34
  5. Step 5: Solve for x
    x = 369,693,065,863.34/703,233.48
  6. Step 6: Final answer
    x = 525,704.59

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1.5x scale

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.