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Finding the Fourth Proportional to 555,164.10, 832,690.11 and 376,397.37

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Solution

The fourth proportional to 555,164.10, 832,690.11 and 376,397.37 is: 564,558.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,164.10 : 832,690.11 = 376,397.37 : x
  2. Step 2: Convert to fraction form
    555,164.10/832,690.11 = 376,397.37/x
  3. Step 3: Cross multiply
    555,164.10x = 832,690.11 × 376,397.37
  4. Step 4: Simplify right side
    555,164.10x = 313,422,367,429.01
  5. Step 5: Solve for x
    x = 313,422,367,429.01/555,164.10
  6. Step 6: Final answer
    x = 564,558.06

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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.