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Finding the Fourth Proportional to 525,532.80, 788,414.40 and 170,486.40

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Solution

The fourth proportional to 525,532.80, 788,414.40 and 170,486.40 is: 255,766.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,532.80 : 788,414.40 = 170,486.40 : x
  2. Step 2: Convert to fraction form
    525,532.80/788,414.40 = 170,486.40/x
  3. Step 3: Cross multiply
    525,532.80x = 788,414.40 × 170,486.40
  4. Step 4: Simplify right side
    525,532.80x = 134,413,932,764.16
  5. Step 5: Solve for x
    x = 134,413,932,764.16/525,532.80
  6. Step 6: Final answer
    x = 255,766.97

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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.