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Finding the Fourth Proportional to 264,407.01, 395,854.78 and 247,647.30

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Solution

The fourth proportional to 264,407.01, 395,854.78 and 247,647.30 is: 370,763.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,407.01 : 395,854.78 = 247,647.30 : x
  2. Step 2: Convert to fraction form
    264,407.01/395,854.78 = 247,647.30/x
  3. Step 3: Cross multiply
    264,407.01x = 395,854.78 × 247,647.30
  4. Step 4: Simplify right side
    264,407.01x = 98,032,364,860.70
  5. Step 5: Solve for x
    x = 98,032,364,860.70/264,407.01
  6. Step 6: Final answer
    x = 370,763.12

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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.