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Finding the Fourth Proportional to 363,079.40, 544,619.10 and 336,835.40

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Solution

The fourth proportional to 363,079.40, 544,619.10 and 336,835.40 is: 505,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,079.40 : 544,619.10 = 336,835.40 : x
  2. Step 2: Convert to fraction form
    363,079.40/544,619.10 = 336,835.40/x
  3. Step 3: Cross multiply
    363,079.40x = 544,619.10 × 336,835.40
  4. Step 4: Simplify right side
    363,079.40x = 183,446,992,396.14
  5. Step 5: Solve for x
    x = 183,446,992,396.14/363,079.40
  6. Step 6: Final answer
    x = 505,253.10

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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.