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Finding the Fourth Proportional to 468,256.82, 646,194.41 and 253,396.89

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Solution

The fourth proportional to 468,256.82, 646,194.41 and 253,396.89 is: 349,687.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,256.82 : 646,194.41 = 253,396.89 : x
  2. Step 2: Convert to fraction form
    468,256.82/646,194.41 = 253,396.89/x
  3. Step 3: Cross multiply
    468,256.82x = 646,194.41 × 253,396.89
  4. Step 4: Simplify right side
    468,256.82x = 163,743,654,225.32
  5. Step 5: Solve for x
    x = 163,743,654,225.32/468,256.82
  6. Step 6: Final answer
    x = 349,687.71

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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.