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Finding the Fourth Proportional to 587,512.80, 881,499.60 and 213,573.60

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Solution

The fourth proportional to 587,512.80, 881,499.60 and 213,573.60 is: 320,444.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,512.80 : 881,499.60 = 213,573.60 : x
  2. Step 2: Convert to fraction form
    587,512.80/881,499.60 = 213,573.60/x
  3. Step 3: Cross multiply
    587,512.80x = 881,499.60 × 213,573.60
  4. Step 4: Simplify right side
    587,512.80x = 188,265,042,970.56
  5. Step 5: Solve for x
    x = 188,265,042,970.56/587,512.80
  6. Step 6: Final answer
    x = 320,444.16

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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.