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Finding the Fourth Proportional to 452,231.84, 624,048.72 and 251,012

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Solution

The fourth proportional to 452,231.84, 624,048.72 and 251,012 is: 346,379.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,231.84 : 624,048.72 = 251,012 : x
  2. Step 2: Convert to fraction form
    452,231.84/624,048.72 = 251,012/x
  3. Step 3: Cross multiply
    452,231.84x = 624,048.72 × 251,012
  4. Step 4: Simplify right side
    452,231.84x = 156,643,717,304.64
  5. Step 5: Solve for x
    x = 156,643,717,304.64/452,231.84
  6. Step 6: Final answer
    x = 346,379.23

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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.