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Finding the Fourth Proportional to 702,966.07, 970,093.70 and 380,676.52

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Solution

The fourth proportional to 702,966.07, 970,093.70 and 380,676.52 is: 525,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,966.07 : 970,093.70 = 380,676.52 : x
  2. Step 2: Convert to fraction form
    702,966.07/970,093.70 = 380,676.52/x
  3. Step 3: Cross multiply
    702,966.07x = 970,093.70 × 380,676.52
  4. Step 4: Simplify right side
    702,966.07x = 369,291,893,789.92
  5. Step 5: Solve for x
    x = 369,291,893,789.92/702,966.07
  6. Step 6: Final answer
    x = 525,333.88

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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.