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Finding the Fourth Proportional to 470,699.02, 649,568.52 and 255,839.02

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Solution

The fourth proportional to 470,699.02, 649,568.52 and 255,839.02 is: 353,059.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,699.02 : 649,568.52 = 255,839.02 : x
  2. Step 2: Convert to fraction form
    470,699.02/649,568.52 = 255,839.02/x
  3. Step 3: Cross multiply
    470,699.02x = 649,568.52 × 255,839.02
  4. Step 4: Simplify right side
    470,699.02x = 166,184,973,579.65
  5. Step 5: Solve for x
    x = 166,184,973,579.65/470,699.02
  6. Step 6: Final answer
    x = 353,059.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.