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Finding the Fourth Proportional to 525,883.80, 788,825.70 and 151,944.60

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Solution

The fourth proportional to 525,883.80, 788,825.70 and 151,944.60 is: 227,916.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,883.80 : 788,825.70 = 151,944.60 : x
  2. Step 2: Convert to fraction form
    525,883.80/788,825.70 = 151,944.60/x
  3. Step 3: Cross multiply
    525,883.80x = 788,825.70 × 151,944.60
  4. Step 4: Simplify right side
    525,883.80x = 119,857,805,456.22
  5. Step 5: Solve for x
    x = 119,857,805,456.22/525,883.80
  6. Step 6: Final answer
    x = 227,916.90

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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.