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Finding the Fourth Proportional to 452,756.09, 624,543.21 and 282,694.97

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Solution

The fourth proportional to 452,756.09, 624,543.21 and 282,694.97 is: 389,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,756.09 : 624,543.21 = 282,694.97 : x
  2. Step 2: Convert to fraction form
    452,756.09/624,543.21 = 282,694.97/x
  3. Step 3: Cross multiply
    452,756.09x = 624,543.21 × 282,694.97
  4. Step 4: Simplify right side
    452,756.09x = 176,555,224,014.65
  5. Step 5: Solve for x
    x = 176,555,224,014.65/452,756.09
  6. Step 6: Final answer
    x = 389,956.60

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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.