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Finding the Fourth Proportional to 487,556.80, 731,354.32 and 150,567.44

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Solution

The fourth proportional to 487,556.80, 731,354.32 and 150,567.44 is: 225,857.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,556.80 : 731,354.32 = 150,567.44 : x
  2. Step 2: Convert to fraction form
    487,556.80/731,354.32 = 150,567.44/x
  3. Step 3: Cross multiply
    487,556.80x = 731,354.32 × 150,567.44
  4. Step 4: Simplify right side
    487,556.80x = 110,118,147,695.34
  5. Step 5: Solve for x
    x = 110,118,147,695.34/487,556.80
  6. Step 6: Final answer
    x = 225,857.06

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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.