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Finding the Fourth Proportional to 326,615.99, 450,752.22 and 181,438.34

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Solution

The fourth proportional to 326,615.99, 450,752.22 and 181,438.34 is: 250,397.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,615.99 : 450,752.22 = 181,438.34 : x
  2. Step 2: Convert to fraction form
    326,615.99/450,752.22 = 181,438.34/x
  3. Step 3: Cross multiply
    326,615.99x = 450,752.22 × 181,438.34
  4. Step 4: Simplify right side
    326,615.99x = 81,783,732,294.35
  5. Step 5: Solve for x
    x = 81,783,732,294.35/326,615.99
  6. Step 6: Final answer
    x = 250,397.21

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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.