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Finding the Fourth Proportional to 302,859.56, 417,954.84 and 168,732.20

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Solution

The fourth proportional to 302,859.56, 417,954.84 and 168,732.20 is: 232,855.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,859.56 : 417,954.84 = 168,732.20 : x
  2. Step 2: Convert to fraction form
    302,859.56/417,954.84 = 168,732.20/x
  3. Step 3: Cross multiply
    302,859.56x = 417,954.84 × 168,732.20
  4. Step 4: Simplify right side
    302,859.56x = 70,522,440,065.99
  5. Step 5: Solve for x
    x = 70,522,440,065.99/302,859.56
  6. Step 6: Final answer
    x = 232,855.25

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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.