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Finding the Fourth Proportional to 468,062.33, 645,925.68 and 253,202.57

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Solution

The fourth proportional to 468,062.33, 645,925.68 and 253,202.57 is: 349,419.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,062.33 : 645,925.68 = 253,202.57 : x
  2. Step 2: Convert to fraction form
    468,062.33/645,925.68 = 253,202.57/x
  3. Step 3: Cross multiply
    468,062.33x = 645,925.68 × 253,202.57
  4. Step 4: Simplify right side
    468,062.33x = 163,550,042,205.00
  5. Step 5: Solve for x
    x = 163,550,042,205.00/468,062.33
  6. Step 6: Final answer
    x = 349,419.37

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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.