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Finding the Fourth Proportional to 544,542.70, 816,814.05 and 520,048.30

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Solution

The fourth proportional to 544,542.70, 816,814.05 and 520,048.30 is: 780,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,542.70 : 816,814.05 = 520,048.30 : x
  2. Step 2: Convert to fraction form
    544,542.70/816,814.05 = 520,048.30/x
  3. Step 3: Cross multiply
    544,542.70x = 816,814.05 × 520,048.30
  4. Step 4: Simplify right side
    544,542.70x = 424,782,758,118.62
  5. Step 5: Solve for x
    x = 424,782,758,118.62/544,542.70
  6. Step 6: Final answer
    x = 780,072.45

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Double scale
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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.