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Finding the Fourth Proportional to 522,012.70, 783,135.51 and 167,048.02

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Solution

The fourth proportional to 522,012.70, 783,135.51 and 167,048.02 is: 250,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,012.70 : 783,135.51 = 167,048.02 : x
  2. Step 2: Convert to fraction form
    522,012.70/783,135.51 = 167,048.02/x
  3. Step 3: Cross multiply
    522,012.70x = 783,135.51 × 167,048.02
  4. Step 4: Simplify right side
    522,012.70x = 130,821,236,337.19
  5. Step 5: Solve for x
    x = 130,821,236,337.19/522,012.70
  6. Step 6: Final answer
    x = 250,609.30

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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.