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Finding the Fourth Proportional to 403,804.66, 557,250.46 and 234,137.20

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Solution

The fourth proportional to 403,804.66, 557,250.46 and 234,137.20 is: 323,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,804.66 : 557,250.46 = 234,137.20 : x
  2. Step 2: Convert to fraction form
    403,804.66/557,250.46 = 234,137.20/x
  3. Step 3: Cross multiply
    403,804.66x = 557,250.46 × 234,137.20
  4. Step 4: Simplify right side
    403,804.66x = 130,473,062,403.11
  5. Step 5: Solve for x
    x = 130,473,062,403.11/403,804.66
  6. Step 6: Final answer
    x = 323,109.35

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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.