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Finding the Fourth Proportional to 264,364.80, 395,395.20 and 236,486.40

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Solution

The fourth proportional to 264,364.80, 395,395.20 and 236,486.40 is: 353,699.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,364.80 : 395,395.20 = 236,486.40 : x
  2. Step 2: Convert to fraction form
    264,364.80/395,395.20 = 236,486.40/x
  3. Step 3: Cross multiply
    264,364.80x = 395,395.20 × 236,486.40
  4. Step 4: Simplify right side
    264,364.80x = 93,505,587,425.28
  5. Step 5: Solve for x
    x = 93,505,587,425.28/264,364.80
  6. Step 6: Final answer
    x = 353,699.08

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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.