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Finding the Fourth Proportional to 624,072.60, 936,108.90 and 519,096.60

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Solution

The fourth proportional to 624,072.60, 936,108.90 and 519,096.60 is: 778,644.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,072.60 : 936,108.90 = 519,096.60 : x
  2. Step 2: Convert to fraction form
    624,072.60/936,108.90 = 519,096.60/x
  3. Step 3: Cross multiply
    624,072.60x = 936,108.90 × 519,096.60
  4. Step 4: Simplify right side
    624,072.60x = 485,930,947,219.74
  5. Step 5: Solve for x
    x = 485,930,947,219.74/624,072.60
  6. Step 6: Final answer
    x = 778,644.90

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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.