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Finding the Fourth Proportional to 555,790.14, 767,004.66 and 341,048.88

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Solution

The fourth proportional to 555,790.14, 767,004.66 and 341,048.88 is: 470,656.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,790.14 : 767,004.66 = 341,048.88 : x
  2. Step 2: Convert to fraction form
    555,790.14/767,004.66 = 341,048.88/x
  3. Step 3: Cross multiply
    555,790.14x = 767,004.66 × 341,048.88
  4. Step 4: Simplify right side
    555,790.14x = 261,586,080,247.78
  5. Step 5: Solve for x
    x = 261,586,080,247.78/555,790.14
  6. Step 6: Final answer
    x = 470,656.21

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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.