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Finding the Fourth Proportional to 344,378.16, 475,682.76 and 263,313.36

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Solution

The fourth proportional to 344,378.16, 475,682.76 and 263,313.36 is: 363,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,378.16 : 475,682.76 = 263,313.36 : x
  2. Step 2: Convert to fraction form
    344,378.16/475,682.76 = 263,313.36/x
  3. Step 3: Cross multiply
    344,378.16x = 475,682.76 × 263,313.36
  4. Step 4: Simplify right side
    344,378.16x = 125,253,625,829.67
  5. Step 5: Solve for x
    x = 125,253,625,829.67/344,378.16
  6. Step 6: Final answer
    x = 363,709.55

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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.