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Finding the Fourth Proportional to 539,077.40, 807,060.90 and 483,090.20

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Solution

The fourth proportional to 539,077.40, 807,060.90 and 483,090.20 is: 723,241.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,077.40 : 807,060.90 = 483,090.20 : x
  2. Step 2: Convert to fraction form
    539,077.40/807,060.90 = 483,090.20/x
  3. Step 3: Cross multiply
    539,077.40x = 807,060.90 × 483,090.20
  4. Step 4: Simplify right side
    539,077.40x = 389,883,211,593.18
  5. Step 5: Solve for x
    x = 389,883,211,593.18/539,077.40
  6. Step 6: Final answer
    x = 723,241.62

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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.