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Finding the Fourth Proportional to 393,182.79, 589,774.82 and 168,525.65

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Solution

The fourth proportional to 393,182.79, 589,774.82 and 168,525.65 is: 252,788.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,182.79 : 589,774.82 = 168,525.65 : x
  2. Step 2: Convert to fraction form
    393,182.79/589,774.82 = 168,525.65/x
  3. Step 3: Cross multiply
    393,182.79x = 589,774.82 × 168,525.65
  4. Step 4: Simplify right side
    393,182.79x = 99,392,181,102.63
  5. Step 5: Solve for x
    x = 99,392,181,102.63/393,182.79
  6. Step 6: Final answer
    x = 252,788.74

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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.