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Finding the Fourth Proportional to 525,858.50, 788,394.09 and 170,660.54

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Solution

The fourth proportional to 525,858.50, 788,394.09 and 170,660.54 is: 255,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,858.50 : 788,394.09 = 170,660.54 : x
  2. Step 2: Convert to fraction form
    525,858.50/788,394.09 = 170,660.54/x
  3. Step 3: Cross multiply
    525,858.50x = 788,394.09 × 170,660.54
  4. Step 4: Simplify right side
    525,858.50x = 134,547,761,132.21
  5. Step 5: Solve for x
    x = 134,547,761,132.21/525,858.50
  6. Step 6: Final answer
    x = 255,863.05

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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.