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Finding the Fourth Proportional to 463,409.06, 639,514.22 and 262,205.06

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Solution

The fourth proportional to 463,409.06, 639,514.22 and 262,205.06 is: 361,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,409.06 : 639,514.22 = 262,205.06 : x
  2. Step 2: Convert to fraction form
    463,409.06/639,514.22 = 262,205.06/x
  3. Step 3: Cross multiply
    463,409.06x = 639,514.22 × 262,205.06
  4. Step 4: Simplify right side
    463,409.06x = 167,683,864,425.95
  5. Step 5: Solve for x
    x = 167,683,864,425.95/463,409.06
  6. Step 6: Final answer
    x = 361,848.48

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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.