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Finding the Fourth Proportional to 854,206.29, 1,178,745.48 and 472,203

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Solution

The fourth proportional to 854,206.29, 1,178,745.48 and 472,203 is: 651,607.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,206.29 : 1,178,745.48 = 472,203 : x
  2. Step 2: Convert to fraction form
    854,206.29/1,178,745.48 = 472,203/x
  3. Step 3: Cross multiply
    854,206.29x = 1,178,745.48 × 472,203
  4. Step 4: Simplify right side
    854,206.29x = 556,607,151,892.44
  5. Step 5: Solve for x
    x = 556,607,151,892.44/854,206.29
  6. Step 6: Final answer
    x = 651,607.41

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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.