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Finding the Fourth Proportional to 466,253.94, 643,406.90 and 275,230.38

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Solution

The fourth proportional to 466,253.94, 643,406.90 and 275,230.38 is: 379,804.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,253.94 : 643,406.90 = 275,230.38 : x
  2. Step 2: Convert to fraction form
    466,253.94/643,406.90 = 275,230.38/x
  3. Step 3: Cross multiply
    466,253.94x = 643,406.90 × 275,230.38
  4. Step 4: Simplify right side
    466,253.94x = 177,085,125,581.62
  5. Step 5: Solve for x
    x = 177,085,125,581.62/466,253.94
  6. Step 6: Final answer
    x = 379,804.03

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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.