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Finding the Fourth Proportional to 525,674.16, 788,628.24 and 151,668

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Solution

The fourth proportional to 525,674.16, 788,628.24 and 151,668 is: 227,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,674.16 : 788,628.24 = 151,668 : x
  2. Step 2: Convert to fraction form
    525,674.16/788,628.24 = 151,668/x
  3. Step 3: Cross multiply
    525,674.16x = 788,628.24 × 151,668
  4. Step 4: Simplify right side
    525,674.16x = 119,609,667,904.32
  5. Step 5: Solve for x
    x = 119,609,667,904.32/525,674.16
  6. Step 6: Final answer
    x = 227,535.76

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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.