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Finding the Fourth Proportional to 264,392.16, 394,068.16 and 249,447.64

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Solution

The fourth proportional to 264,392.16, 394,068.16 and 249,447.64 is: 371,793.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,392.16 : 394,068.16 = 249,447.64 : x
  2. Step 2: Convert to fraction form
    264,392.16/394,068.16 = 249,447.64/x
  3. Step 3: Cross multiply
    264,392.16x = 394,068.16 × 249,447.64
  4. Step 4: Simplify right side
    264,392.16x = 98,299,372,511.14
  5. Step 5: Solve for x
    x = 98,299,372,511.14/264,392.16
  6. Step 6: Final answer
    x = 371,793.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.