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Finding the Fourth Proportional to 703,256.33, 970,492.86 and 380,967.76

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Solution

The fourth proportional to 703,256.33, 970,492.86 and 380,967.76 is: 525,735.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,256.33 : 970,492.86 = 380,967.76 : x
  2. Step 2: Convert to fraction form
    703,256.33/970,492.86 = 380,967.76/x
  3. Step 3: Cross multiply
    703,256.33x = 970,492.86 × 380,967.76
  4. Step 4: Simplify right side
    703,256.33x = 369,726,494,825.06
  5. Step 5: Solve for x
    x = 369,726,494,825.06/703,256.33
  6. Step 6: Final answer
    x = 525,735.04

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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.