Home / 385,090.20-576,080.10-333,077.40

Finding the Fourth Proportional to 385,090.20, 576,080.10 and 333,077.40

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Solution

The fourth proportional to 385,090.20, 576,080.10 and 333,077.40 is: 498,270.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,090.20 : 576,080.10 = 333,077.40 : x
  2. Step 2: Convert to fraction form
    385,090.20/576,080.10 = 333,077.40/x
  3. Step 3: Cross multiply
    385,090.20x = 576,080.10 × 333,077.40
  4. Step 4: Simplify right side
    385,090.20x = 191,879,261,899.74
  5. Step 5: Solve for x
    x = 191,879,261,899.74/385,090.20
  6. Step 6: Final answer
    x = 498,270.96

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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.