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Finding the Fourth Proportional to 264,037.80, 394,904.70 and 236,159.40

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Solution

The fourth proportional to 264,037.80, 394,904.70 and 236,159.40 is: 353,208.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,037.80 : 394,904.70 = 236,159.40 : x
  2. Step 2: Convert to fraction form
    264,037.80/394,904.70 = 236,159.40/x
  3. Step 3: Cross multiply
    264,037.80x = 394,904.70 × 236,159.40
  4. Step 4: Simplify right side
    264,037.80x = 93,260,457,009.18
  5. Step 5: Solve for x
    x = 93,260,457,009.18/264,037.80
  6. Step 6: Final answer
    x = 353,208.73

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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.