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Finding the Fourth Proportional to 587,100.64, 810,198.80 and 332,451.76

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Solution

The fourth proportional to 587,100.64, 810,198.80 and 332,451.76 is: 458,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,100.64 : 810,198.80 = 332,451.76 : x
  2. Step 2: Convert to fraction form
    587,100.64/810,198.80 = 332,451.76/x
  3. Step 3: Cross multiply
    587,100.64x = 810,198.80 × 332,451.76
  4. Step 4: Simplify right side
    587,100.64x = 269,352,017,009.89
  5. Step 5: Solve for x
    x = 269,352,017,009.89/587,100.64
  6. Step 6: Final answer
    x = 458,783.38

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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.