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Finding the Fourth Proportional to 510,425.08, 765,579.29 and 136,477.24

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Solution

The fourth proportional to 510,425.08, 765,579.29 and 136,477.24 is: 204,700.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,425.08 : 765,579.29 = 136,477.24 : x
  2. Step 2: Convert to fraction form
    510,425.08/765,579.29 = 136,477.24/x
  3. Step 3: Cross multiply
    510,425.08x = 765,579.29 × 136,477.24
  4. Step 4: Simplify right side
    510,425.08x = 104,484,145,904.03
  5. Step 5: Solve for x
    x = 104,484,145,904.03/510,425.08
  6. Step 6: Final answer
    x = 204,700.26

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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.