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Finding the Fourth Proportional to 468,033.18, 645,881.76 and 264,085.62

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Solution

The fourth proportional to 468,033.18, 645,881.76 and 264,085.62 is: 364,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,033.18 : 645,881.76 = 264,085.62 : x
  2. Step 2: Convert to fraction form
    468,033.18/645,881.76 = 264,085.62/x
  3. Step 3: Cross multiply
    468,033.18x = 645,881.76 × 264,085.62
  4. Step 4: Simplify right side
    468,033.18x = 170,568,085,036.29
  5. Step 5: Solve for x
    x = 170,568,085,036.29/468,033.18
  6. Step 6: Final answer
    x = 364,435.88

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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.