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Finding the Fourth Proportional to 525,850.40, 788,775.60 and 188,890.40

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Solution

The fourth proportional to 525,850.40, 788,775.60 and 188,890.40 is: 283,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,850.40 : 788,775.60 = 188,890.40 : x
  2. Step 2: Convert to fraction form
    525,850.40/788,775.60 = 188,890.40/x
  3. Step 3: Cross multiply
    525,850.40x = 788,775.60 × 188,890.40
  4. Step 4: Simplify right side
    525,850.40x = 148,992,138,594.24
  5. Step 5: Solve for x
    x = 148,992,138,594.24/525,850.40
  6. Step 6: Final answer
    x = 283,335.60

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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.