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Finding the Fourth Proportional to 348,556.46, 480,111.75 and 246,406.23

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Solution

The fourth proportional to 348,556.46, 480,111.75 and 246,406.23 is: 339,407.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,556.46 : 480,111.75 = 246,406.23 : x
  2. Step 2: Convert to fraction form
    348,556.46/480,111.75 = 246,406.23/x
  3. Step 3: Cross multiply
    348,556.46x = 480,111.75 × 246,406.23
  4. Step 4: Simplify right side
    348,556.46x = 118,302,526,296.20
  5. Step 5: Solve for x
    x = 118,302,526,296.20/348,556.46
  6. Step 6: Final answer
    x = 339,407.07

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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.