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Finding the Fourth Proportional to 341,776.40, 471,649.14 and 188,824.45

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Solution

The fourth proportional to 341,776.40, 471,649.14 and 188,824.45 is: 260,576.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,776.40 : 471,649.14 = 188,824.45 : x
  2. Step 2: Convert to fraction form
    341,776.40/471,649.14 = 188,824.45/x
  3. Step 3: Cross multiply
    341,776.40x = 471,649.14 × 188,824.45
  4. Step 4: Simplify right side
    341,776.40x = 89,058,889,453.47
  5. Step 5: Solve for x
    x = 89,058,889,453.47/341,776.40
  6. Step 6: Final answer
    x = 260,576.47

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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.