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Finding the Fourth Proportional to 460,371.84, 635,345.03 and 279,091.41

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Solution

The fourth proportional to 460,371.84, 635,345.03 and 279,091.41 is: 385,165.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,371.84 : 635,345.03 = 279,091.41 : x
  2. Step 2: Convert to fraction form
    460,371.84/635,345.03 = 279,091.41/x
  3. Step 3: Cross multiply
    460,371.84x = 635,345.03 × 279,091.41
  4. Step 4: Simplify right side
    460,371.84x = 177,319,338,574.38
  5. Step 5: Solve for x
    x = 177,319,338,574.38/460,371.84
  6. Step 6: Final answer
    x = 385,165.48

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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.