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Finding the Fourth Proportional to 525,562.21, 788,212.09 and 170,677.81

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Solution

The fourth proportional to 525,562.21, 788,212.09 and 170,677.81 is: 255,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,562.21 : 788,212.09 = 170,677.81 : x
  2. Step 2: Convert to fraction form
    525,562.21/788,212.09 = 170,677.81/x
  3. Step 3: Cross multiply
    525,562.21x = 788,212.09 × 170,677.81
  4. Step 4: Simplify right side
    525,562.21x = 134,530,313,336.72
  5. Step 5: Solve for x
    x = 134,530,313,336.72/525,562.21
  6. Step 6: Final answer
    x = 255,974.10

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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.