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Finding the Fourth Proportional to 449,556.90, 673,460.55 and 249,519.30

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Solution

The fourth proportional to 449,556.90, 673,460.55 and 249,519.30 is: 373,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,556.90 : 673,460.55 = 249,519.30 : x
  2. Step 2: Convert to fraction form
    449,556.90/673,460.55 = 249,519.30/x
  3. Step 3: Cross multiply
    449,556.90x = 673,460.55 × 249,519.30
  4. Step 4: Simplify right side
    449,556.90x = 168,041,405,013.62
  5. Step 5: Solve for x
    x = 168,041,405,013.62/449,556.90
  6. Step 6: Final answer
    x = 373,793.41

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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.