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Finding the Fourth Proportional to 404,473.80, 606,710.70 and 325,741.80

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Solution

The fourth proportional to 404,473.80, 606,710.70 and 325,741.80 is: 488,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,473.80 : 606,710.70 = 325,741.80 : x
  2. Step 2: Convert to fraction form
    404,473.80/606,710.70 = 325,741.80/x
  3. Step 3: Cross multiply
    404,473.80x = 606,710.70 × 325,741.80
  4. Step 4: Simplify right side
    404,473.80x = 197,631,035,497.26
  5. Step 5: Solve for x
    x = 197,631,035,497.26/404,473.80
  6. Step 6: Final answer
    x = 488,612.70

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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.