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Finding the Fourth Proportional to 525,717.70, 788,576.55 and 170,767.60

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Solution

The fourth proportional to 525,717.70, 788,576.55 and 170,767.60 is: 256,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,717.70 : 788,576.55 = 170,767.60 : x
  2. Step 2: Convert to fraction form
    525,717.70/788,576.55 = 170,767.60/x
  3. Step 3: Cross multiply
    525,717.70x = 788,576.55 × 170,767.60
  4. Step 4: Simplify right side
    525,717.70x = 134,663,324,859.78
  5. Step 5: Solve for x
    x = 134,663,324,859.78/525,717.70
  6. Step 6: Final answer
    x = 256,151.40

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Similar ratio
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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.