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Finding the Fourth Proportional to 539,481.88, 744,484.99 and 301,017.88

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Solution

The fourth proportional to 539,481.88, 744,484.99 and 301,017.88 is: 415,404.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,481.88 : 744,484.99 = 301,017.88 : x
  2. Step 2: Convert to fraction form
    539,481.88/744,484.99 = 301,017.88/x
  3. Step 3: Cross multiply
    539,481.88x = 744,484.99 × 301,017.88
  4. Step 4: Simplify right side
    539,481.88x = 224,103,289,659.20
  5. Step 5: Solve for x
    x = 224,103,289,659.20/539,481.88
  6. Step 6: Final answer
    x = 415,404.67

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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.