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Finding the Fourth Proportional to 286,645.70, 395,506.76 and 173,466.02

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Solution

The fourth proportional to 286,645.70, 395,506.76 and 173,466.02 is: 239,344.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,645.70 : 395,506.76 = 173,466.02 : x
  2. Step 2: Convert to fraction form
    286,645.70/395,506.76 = 173,466.02/x
  3. Step 3: Cross multiply
    286,645.70x = 395,506.76 × 173,466.02
  4. Step 4: Simplify right side
    286,645.70x = 68,606,980,695.43
  5. Step 5: Solve for x
    x = 68,606,980,695.43/286,645.70
  6. Step 6: Final answer
    x = 239,344.19

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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.