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Finding the Fourth Proportional to 544,267.80, 816,401.70 and 344,813.40

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Solution

The fourth proportional to 544,267.80, 816,401.70 and 344,813.40 is: 517,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,267.80 : 816,401.70 = 344,813.40 : x
  2. Step 2: Convert to fraction form
    544,267.80/816,401.70 = 344,813.40/x
  3. Step 3: Cross multiply
    544,267.80x = 816,401.70 × 344,813.40
  4. Step 4: Simplify right side
    544,267.80x = 281,506,245,942.78
  5. Step 5: Solve for x
    x = 281,506,245,942.78/544,267.80
  6. Step 6: Final answer
    x = 517,220.10

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Similar ratio
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1.5x scale

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.