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Finding the Fourth Proportional to 264,365.80, 395,396.70 and 236,487.40

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Solution

The fourth proportional to 264,365.80, 395,396.70 and 236,487.40 is: 353,700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,365.80 : 395,396.70 = 236,487.40 : x
  2. Step 2: Convert to fraction form
    264,365.80/395,396.70 = 236,487.40/x
  3. Step 3: Cross multiply
    264,365.80x = 395,396.70 × 236,487.40
  4. Step 4: Simplify right side
    264,365.80x = 93,506,337,551.58
  5. Step 5: Solve for x
    x = 93,506,337,551.58/264,365.80
  6. Step 6: Final answer
    x = 353,700.58

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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.