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Finding the Fourth Proportional to 551,461.60, 827,192.40 and 495,474.40

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Solution

The fourth proportional to 551,461.60, 827,192.40 and 495,474.40 is: 743,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,461.60 : 827,192.40 = 495,474.40 : x
  2. Step 2: Convert to fraction form
    551,461.60/827,192.40 = 495,474.40/x
  3. Step 3: Cross multiply
    551,461.60x = 827,192.40 × 495,474.40
  4. Step 4: Simplify right side
    551,461.60x = 409,852,658,074.56
  5. Step 5: Solve for x
    x = 409,852,658,074.56/551,461.60
  6. Step 6: Final answer
    x = 743,211.60

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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.