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Finding the Fourth Proportional to 606,455.10, 908,479.80 and 531,659.70

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Solution

The fourth proportional to 606,455.10, 908,479.80 and 531,659.70 is: 796,435.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,455.10 : 908,479.80 = 531,659.70 : x
  2. Step 2: Convert to fraction form
    606,455.10/908,479.80 = 531,659.70/x
  3. Step 3: Cross multiply
    606,455.10x = 908,479.80 × 531,659.70
  4. Step 4: Simplify right side
    606,455.10x = 483,002,097,924.06
  5. Step 5: Solve for x
    x = 483,002,097,924.06/606,455.10
  6. Step 6: Final answer
    x = 796,435.05

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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.