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Finding the Fourth Proportional to 341,539.84, 471,322.80 and 188,587.56

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Solution

The fourth proportional to 341,539.84, 471,322.80 and 188,587.56 is: 260,249.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,539.84 : 471,322.80 = 188,587.56 : x
  2. Step 2: Convert to fraction form
    341,539.84/471,322.80 = 188,587.56/x
  3. Step 3: Cross multiply
    341,539.84x = 471,322.80 × 188,587.56
  4. Step 4: Simplify right side
    341,539.84x = 88,885,616,824.37
  5. Step 5: Solve for x
    x = 88,885,616,824.37/341,539.84
  6. Step 6: Final answer
    x = 260,249.63

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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.