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Finding the Fourth Proportional to 255,796, 353,023.43 and 191,152.99

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Solution

The fourth proportional to 255,796, 353,023.43 and 191,152.99 is: 263,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,796 : 353,023.43 = 191,152.99 : x
  2. Step 2: Convert to fraction form
    255,796/353,023.43 = 191,152.99/x
  3. Step 3: Cross multiply
    255,796x = 353,023.43 × 191,152.99
  4. Step 4: Simplify right side
    255,796x = 67,481,483,228.79
  5. Step 5: Solve for x
    x = 67,481,483,228.79/255,796
  6. Step 6: Final answer
    x = 263,809.77

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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.