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Finding the Fourth Proportional to 522,700.56, 783,977.04 and 167,668.38

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Solution

The fourth proportional to 522,700.56, 783,977.04 and 167,668.38 is: 251,478.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,700.56 : 783,977.04 = 167,668.38 : x
  2. Step 2: Convert to fraction form
    522,700.56/783,977.04 = 167,668.38/x
  3. Step 3: Cross multiply
    522,700.56x = 783,977.04 × 167,668.38
  4. Step 4: Simplify right side
    522,700.56x = 131,448,160,254.00
  5. Step 5: Solve for x
    x = 131,448,160,254.00/522,700.56
  6. Step 6: Final answer
    x = 251,478.90

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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.