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Finding the Fourth Proportional to 336,529.20, 505,069.20 and 333,904.80

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Solution

The fourth proportional to 336,529.20, 505,069.20 and 333,904.80 is: 501,130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,529.20 : 505,069.20 = 333,904.80 : x
  2. Step 2: Convert to fraction form
    336,529.20/505,069.20 = 333,904.80/x
  3. Step 3: Cross multiply
    336,529.20x = 505,069.20 × 333,904.80
  4. Step 4: Simplify right side
    336,529.20x = 168,645,030,212.16
  5. Step 5: Solve for x
    x = 168,645,030,212.16/336,529.20
  6. Step 6: Final answer
    x = 501,130.45

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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.