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Finding the Fourth Proportional to 533,009.77, 735,556.43 and 300,440.34

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Solution

The fourth proportional to 533,009.77, 735,556.43 and 300,440.34 is: 414,609.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,009.77 : 735,556.43 = 300,440.34 : x
  2. Step 2: Convert to fraction form
    533,009.77/735,556.43 = 300,440.34/x
  3. Step 3: Cross multiply
    533,009.77x = 735,556.43 × 300,440.34
  4. Step 4: Simplify right side
    533,009.77x = 220,990,824,669.49
  5. Step 5: Solve for x
    x = 220,990,824,669.49/533,009.77
  6. Step 6: Final answer
    x = 414,609.33

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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.