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Finding the Fourth Proportional to 587,240.80, 881,091.60 and 213,301.60

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Solution

The fourth proportional to 587,240.80, 881,091.60 and 213,301.60 is: 320,036.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,240.80 : 881,091.60 = 213,301.60 : x
  2. Step 2: Convert to fraction form
    587,240.80/881,091.60 = 213,301.60/x
  3. Step 3: Cross multiply
    587,240.80x = 881,091.60 × 213,301.60
  4. Step 4: Simplify right side
    587,240.80x = 187,938,248,026.56
  5. Step 5: Solve for x
    x = 187,938,248,026.56/587,240.80
  6. Step 6: Final answer
    x = 320,036.09

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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.