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Finding the Fourth Proportional to 597,118.92, 824,020.50 and 328,845

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Solution

The fourth proportional to 597,118.92, 824,020.50 and 328,845 is: 453,804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,118.92 : 824,020.50 = 328,845 : x
  2. Step 2: Convert to fraction form
    597,118.92/824,020.50 = 328,845/x
  3. Step 3: Cross multiply
    597,118.92x = 824,020.50 × 328,845
  4. Step 4: Simplify right side
    597,118.92x = 270,975,021,322.50
  5. Step 5: Solve for x
    x = 270,975,021,322.50/597,118.92
  6. Step 6: Final answer
    x = 453,804.11

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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.