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Finding the Fourth Proportional to 495,433.33, 683,701.47 and 269,078.83

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Solution

The fourth proportional to 495,433.33, 683,701.47 and 269,078.83 is: 371,330.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,433.33 : 683,701.47 = 269,078.83 : x
  2. Step 2: Convert to fraction form
    495,433.33/683,701.47 = 269,078.83/x
  3. Step 3: Cross multiply
    495,433.33x = 683,701.47 × 269,078.83
  4. Step 4: Simplify right side
    495,433.33x = 183,969,589,907.63
  5. Step 5: Solve for x
    x = 183,969,589,907.63/495,433.33
  6. Step 6: Final answer
    x = 371,330.67

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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.