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Finding the Fourth Proportional to 577,667.55, 797,217.99 and 323,018.67

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Solution

The fourth proportional to 577,667.55, 797,217.99 and 323,018.67 is: 445,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,667.55 : 797,217.99 = 323,018.67 : x
  2. Step 2: Convert to fraction form
    577,667.55/797,217.99 = 323,018.67/x
  3. Step 3: Cross multiply
    577,667.55x = 797,217.99 × 323,018.67
  4. Step 4: Simplify right side
    577,667.55x = 257,516,294,829.87
  5. Step 5: Solve for x
    x = 257,516,294,829.87/577,667.55
  6. Step 6: Final answer
    x = 445,786.33

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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.