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Finding the Fourth Proportional to 545,468.23, 818,331.13 and 171,491.23

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Solution

The fourth proportional to 545,468.23, 818,331.13 and 171,491.23 is: 257,277.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,468.23 : 818,331.13 = 171,491.23 : x
  2. Step 2: Convert to fraction form
    545,468.23/818,331.13 = 171,491.23/x
  3. Step 3: Cross multiply
    545,468.23x = 818,331.13 × 171,491.23
  4. Step 4: Simplify right side
    545,468.23x = 140,336,612,030.99
  5. Step 5: Solve for x
    x = 140,336,612,030.99/545,468.23
  6. Step 6: Final answer
    x = 257,277.33

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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.