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Finding the Fourth Proportional to 525,676.16, 788,631.24 and 151,670

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Solution

The fourth proportional to 525,676.16, 788,631.24 and 151,670 is: 227,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,676.16 : 788,631.24 = 151,670 : x
  2. Step 2: Convert to fraction form
    525,676.16/788,631.24 = 151,670/x
  3. Step 3: Cross multiply
    525,676.16x = 788,631.24 × 151,670
  4. Step 4: Simplify right side
    525,676.16x = 119,611,700,170.80
  5. Step 5: Solve for x
    x = 119,611,700,170.80/525,676.16
  6. Step 6: Final answer
    x = 227,538.76

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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.