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Finding the Fourth Proportional to 702,901.34, 970,002.44 and 380,610.44

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Solution

The fourth proportional to 702,901.34, 970,002.44 and 380,610.44 is: 525,241.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,901.34 : 970,002.44 = 380,610.44 : x
  2. Step 2: Convert to fraction form
    702,901.34/970,002.44 = 380,610.44/x
  3. Step 3: Cross multiply
    702,901.34x = 970,002.44 × 380,610.44
  4. Step 4: Simplify right side
    702,901.34x = 369,193,055,489.47
  5. Step 5: Solve for x
    x = 369,193,055,489.47/702,901.34
  6. Step 6: Final answer
    x = 525,241.64

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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.