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Finding the Fourth Proportional to 495,339.84, 683,550.72 and 268,980.48

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Solution

The fourth proportional to 495,339.84, 683,550.72 and 268,980.48 is: 371,183.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,339.84 : 683,550.72 = 268,980.48 : x
  2. Step 2: Convert to fraction form
    495,339.84/683,550.72 = 268,980.48/x
  3. Step 3: Cross multiply
    495,339.84x = 683,550.72 × 268,980.48
  4. Step 4: Simplify right side
    495,339.84x = 183,861,800,769.95
  5. Step 5: Solve for x
    x = 183,861,800,769.95/495,339.84
  6. Step 6: Final answer
    x = 371,183.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.