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Finding the Fourth Proportional to 702,525.53, 969,508.72 and 430,540.88

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Solution

The fourth proportional to 702,525.53, 969,508.72 and 430,540.88 is: 594,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,525.53 : 969,508.72 = 430,540.88 : x
  2. Step 2: Convert to fraction form
    702,525.53/969,508.72 = 430,540.88/x
  3. Step 3: Cross multiply
    702,525.53x = 969,508.72 × 430,540.88
  4. Step 4: Simplify right side
    702,525.53x = 417,413,131,552.58
  5. Step 5: Solve for x
    x = 417,413,131,552.58/702,525.53
  6. Step 6: Final answer
    x = 594,160.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.