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Finding the Fourth Proportional to 624,007.80, 936,011.70 and 512,033.40

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Solution

The fourth proportional to 624,007.80, 936,011.70 and 512,033.40 is: 768,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,007.80 : 936,011.70 = 512,033.40 : x
  2. Step 2: Convert to fraction form
    624,007.80/936,011.70 = 512,033.40/x
  3. Step 3: Cross multiply
    624,007.80x = 936,011.70 × 512,033.40
  4. Step 4: Simplify right side
    624,007.80x = 479,269,253,190.78
  5. Step 5: Solve for x
    x = 479,269,253,190.78/624,007.80
  6. Step 6: Final answer
    x = 768,050.10

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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.