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Finding the Fourth Proportional to 264,413, 395,863.78 and 247,653.30

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Solution

The fourth proportional to 264,413, 395,863.78 and 247,653.30 is: 370,772.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,413 : 395,863.78 = 247,653.30 : x
  2. Step 2: Convert to fraction form
    264,413/395,863.78 = 247,653.30/x
  3. Step 3: Cross multiply
    264,413x = 395,863.78 × 247,653.30
  4. Step 4: Simplify right side
    264,413x = 98,036,971,467.47
  5. Step 5: Solve for x
    x = 98,036,971,467.47/264,413
  6. Step 6: Final answer
    x = 370,772.13

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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.