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Finding the Fourth Proportional to 525,441.72, 788,277.84 and 170,491.56

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Solution

The fourth proportional to 525,441.72, 788,277.84 and 170,491.56 is: 255,774.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,441.72 : 788,277.84 = 170,491.56 : x
  2. Step 2: Convert to fraction form
    525,441.72/788,277.84 = 170,491.56/x
  3. Step 3: Cross multiply
    525,441.72x = 788,277.84 × 170,491.56
  4. Step 4: Simplify right side
    525,441.72x = 134,394,718,655.03
  5. Step 5: Solve for x
    x = 134,394,718,655.03/525,441.72
  6. Step 6: Final answer
    x = 255,774.74

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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.