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Finding the Fourth Proportional to 468,696.24, 646,801.20 and 253,836.72

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Solution

The fourth proportional to 468,696.24, 646,801.20 and 253,836.72 is: 350,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,696.24 : 646,801.20 = 253,836.72 : x
  2. Step 2: Convert to fraction form
    468,696.24/646,801.20 = 253,836.72/x
  3. Step 3: Cross multiply
    468,696.24x = 646,801.20 × 253,836.72
  4. Step 4: Simplify right side
    468,696.24x = 164,181,895,100.06
  5. Step 5: Solve for x
    x = 164,181,895,100.06/468,696.24
  6. Step 6: Final answer
    x = 350,294.88

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1.5x scale

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.