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Finding the Fourth Proportional to 605,230.20, 907,845.30 and 510,751.80

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Solution

The fourth proportional to 605,230.20, 907,845.30 and 510,751.80 is: 766,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,230.20 : 907,845.30 = 510,751.80 : x
  2. Step 2: Convert to fraction form
    605,230.20/907,845.30 = 510,751.80/x
  3. Step 3: Cross multiply
    605,230.20x = 907,845.30 × 510,751.80
  4. Step 4: Simplify right side
    605,230.20x = 463,683,621,096.54
  5. Step 5: Solve for x
    x = 463,683,621,096.54/605,230.20
  6. Step 6: Final answer
    x = 766,127.70

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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.