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Finding the Fourth Proportional to 703,122.48, 970,308.60 and 380,832.48

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Solution

The fourth proportional to 703,122.48, 970,308.60 and 380,832.48 is: 525,548.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,122.48 : 970,308.60 = 380,832.48 : x
  2. Step 2: Convert to fraction form
    703,122.48/970,308.60 = 380,832.48/x
  3. Step 3: Cross multiply
    703,122.48x = 970,308.60 × 380,832.48
  4. Step 4: Simplify right side
    703,122.48x = 369,525,030,503.33
  5. Step 5: Solve for x
    x = 369,525,030,503.33/703,122.48
  6. Step 6: Final answer
    x = 525,548.59

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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.