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Finding the Fourth Proportional to 254,390.72, 379,508.24 and 233,816.64

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Solution

The fourth proportional to 254,390.72, 379,508.24 and 233,816.64 is: 348,815.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,390.72 : 379,508.24 = 233,816.64 : x
  2. Step 2: Convert to fraction form
    254,390.72/379,508.24 = 233,816.64/x
  3. Step 3: Cross multiply
    254,390.72x = 379,508.24 × 233,816.64
  4. Step 4: Simplify right side
    254,390.72x = 88,735,341,529.11
  5. Step 5: Solve for x
    x = 88,735,341,529.11/254,390.72
  6. Step 6: Final answer
    x = 348,815.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.