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Finding the Fourth Proportional to 302,889.63, 454,334.45 and 103,107.18

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Solution

The fourth proportional to 302,889.63, 454,334.45 and 103,107.18 is: 154,660.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,889.63 : 454,334.45 = 103,107.18 : x
  2. Step 2: Convert to fraction form
    302,889.63/454,334.45 = 103,107.18/x
  3. Step 3: Cross multiply
    302,889.63x = 454,334.45 × 103,107.18
  4. Step 4: Simplify right side
    302,889.63x = 46,845,143,400.82
  5. Step 5: Solve for x
    x = 46,845,143,400.82/302,889.63
  6. Step 6: Final answer
    x = 154,660.77

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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.