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Finding the Fourth Proportional to 495,912.40, 743,868.60 and 495,912.40

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Solution

The fourth proportional to 495,912.40, 743,868.60 and 495,912.40 is: 743,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,912.40 : 743,868.60 = 495,912.40 : x
  2. Step 2: Convert to fraction form
    495,912.40/743,868.60 = 495,912.40/x
  3. Step 3: Cross multiply
    495,912.40x = 743,868.60 × 495,912.40
  4. Step 4: Simplify right side
    495,912.40x = 368,893,662,710.64
  5. Step 5: Solve for x
    x = 368,893,662,710.64/495,912.40
  6. Step 6: Final answer
    x = 743,868.60

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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.