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Finding the Fourth Proportional to 341,406.87, 471,188.92 and 190,513.59

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Solution

The fourth proportional to 341,406.87, 471,188.92 and 190,513.59 is: 262,935.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,406.87 : 471,188.92 = 190,513.59 : x
  2. Step 2: Convert to fraction form
    341,406.87/471,188.92 = 190,513.59/x
  3. Step 3: Cross multiply
    341,406.87x = 471,188.92 × 190,513.59
  4. Step 4: Simplify right side
    341,406.87x = 89,767,894,722.52
  5. Step 5: Solve for x
    x = 89,767,894,722.52/341,406.87
  6. Step 6: Final answer
    x = 262,935.23

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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.