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Finding the Fourth Proportional to 502,840.80, 754,261.20 and 334,879.20

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Solution

The fourth proportional to 502,840.80, 754,261.20 and 334,879.20 is: 502,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,840.80 : 754,261.20 = 334,879.20 : x
  2. Step 2: Convert to fraction form
    502,840.80/754,261.20 = 334,879.20/x
  3. Step 3: Cross multiply
    502,840.80x = 754,261.20 × 334,879.20
  4. Step 4: Simplify right side
    502,840.80x = 252,586,387,247.04
  5. Step 5: Solve for x
    x = 252,586,387,247.04/502,840.80
  6. Step 6: Final answer
    x = 502,318.80

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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.