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Finding the Fourth Proportional to 302,450.21, 453,358.77 and 112,834.26

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Solution

The fourth proportional to 302,450.21, 453,358.77 and 112,834.26 is: 169,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,450.21 : 453,358.77 = 112,834.26 : x
  2. Step 2: Convert to fraction form
    302,450.21/453,358.77 = 112,834.26/x
  3. Step 3: Cross multiply
    302,450.21x = 453,358.77 × 112,834.26
  4. Step 4: Simplify right side
    302,450.21x = 51,154,401,327.46
  5. Step 5: Solve for x
    x = 51,154,401,327.46/302,450.21
  6. Step 6: Final answer
    x = 169,133.30

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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.