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Finding the Fourth Proportional to 545,594.96, 818,392.44 and 208,669.84

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Solution

The fourth proportional to 545,594.96, 818,392.44 and 208,669.84 is: 313,004.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,594.96 : 818,392.44 = 208,669.84 : x
  2. Step 2: Convert to fraction form
    545,594.96/818,392.44 = 208,669.84/x
  3. Step 3: Cross multiply
    545,594.96x = 818,392.44 × 208,669.84
  4. Step 4: Simplify right side
    545,594.96x = 170,773,819,512.01
  5. Step 5: Solve for x
    x = 170,773,819,512.01/545,594.96
  6. Step 6: Final answer
    x = 313,004.76

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.