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Finding the Fourth Proportional to 495,878.20, 743,817.30 and 495,878.20

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Solution

The fourth proportional to 495,878.20, 743,817.30 and 495,878.20 is: 743,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,878.20 : 743,817.30 = 495,878.20 : x
  2. Step 2: Convert to fraction form
    495,878.20/743,817.30 = 495,878.20/x
  3. Step 3: Cross multiply
    495,878.20x = 743,817.30 × 495,878.20
  4. Step 4: Simplify right side
    495,878.20x = 368,842,783,852.86
  5. Step 5: Solve for x
    x = 368,842,783,852.86/495,878.20
  6. Step 6: Final answer
    x = 743,817.30

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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.