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Finding the Fourth Proportional to 439,295.60, 606,238.44 and 248,309.76

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Solution

The fourth proportional to 439,295.60, 606,238.44 and 248,309.76 is: 342,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,295.60 : 606,238.44 = 248,309.76 : x
  2. Step 2: Convert to fraction form
    439,295.60/606,238.44 = 248,309.76/x
  3. Step 3: Cross multiply
    439,295.60x = 606,238.44 × 248,309.76
  4. Step 4: Simplify right side
    439,295.60x = 150,534,921,539.17
  5. Step 5: Solve for x
    x = 150,534,921,539.17/439,295.60
  6. Step 6: Final answer
    x = 342,673.41

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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.