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Finding the Fourth Proportional to 525,151.70, 787,727.55 and 170,201.60

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Solution

The fourth proportional to 525,151.70, 787,727.55 and 170,201.60 is: 255,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,151.70 : 787,727.55 = 170,201.60 : x
  2. Step 2: Convert to fraction form
    525,151.70/787,727.55 = 170,201.60/x
  3. Step 3: Cross multiply
    525,151.70x = 787,727.55 × 170,201.60
  4. Step 4: Simplify right side
    525,151.70x = 134,072,489,374.08
  5. Step 5: Solve for x
    x = 134,072,489,374.08/525,151.70
  6. Step 6: Final answer
    x = 255,302.40

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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.