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Finding the Fourth Proportional to 371,716.88, 512,994.66 and 210,573.25

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Solution

The fourth proportional to 371,716.88, 512,994.66 and 210,573.25 is: 290,605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,716.88 : 512,994.66 = 210,573.25 : x
  2. Step 2: Convert to fraction form
    371,716.88/512,994.66 = 210,573.25/x
  3. Step 3: Cross multiply
    371,716.88x = 512,994.66 × 210,573.25
  4. Step 4: Simplify right side
    371,716.88x = 108,022,949,171.01
  5. Step 5: Solve for x
    x = 108,022,949,171.01/371,716.88
  6. Step 6: Final answer
    x = 290,605.45

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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.