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Finding the Fourth Proportional to 555,795.14, 767,011.56 and 341,053.88

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Solution

The fourth proportional to 555,795.14, 767,011.56 and 341,053.88 is: 470,663.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,795.14 : 767,011.56 = 341,053.88 : x
  2. Step 2: Convert to fraction form
    555,795.14/767,011.56 = 341,053.88/x
  3. Step 3: Cross multiply
    555,795.14x = 767,011.56 × 341,053.88
  4. Step 4: Simplify right side
    555,795.14x = 261,592,268,542.85
  5. Step 5: Solve for x
    x = 261,592,268,542.85/555,795.14
  6. Step 6: Final answer
    x = 470,663.11

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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.