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Finding the Fourth Proportional to 700,023.36, 965,744.86 and 519,180.34

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Solution

The fourth proportional to 700,023.36, 965,744.86 and 519,180.34 is: 716,255.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,023.36 : 965,744.86 = 519,180.34 : x
  2. Step 2: Convert to fraction form
    700,023.36/965,744.86 = 519,180.34/x
  3. Step 3: Cross multiply
    700,023.36x = 965,744.86 × 519,180.34
  4. Step 4: Simplify right side
    700,023.36x = 501,395,744,768.05
  5. Step 5: Solve for x
    x = 501,395,744,768.05/700,023.36
  6. Step 6: Final answer
    x = 716,255.73

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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.