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Finding the Fourth Proportional to 346,100.91, 477,619.35 and 191,052.29

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Solution

The fourth proportional to 346,100.91, 477,619.35 and 191,052.29 is: 263,652.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,100.91 : 477,619.35 = 191,052.29 : x
  2. Step 2: Convert to fraction form
    346,100.91/477,619.35 = 191,052.29/x
  3. Step 3: Cross multiply
    346,100.91x = 477,619.35 × 191,052.29
  4. Step 4: Simplify right side
    346,100.91x = 91,250,268,177.71
  5. Step 5: Solve for x
    x = 91,250,268,177.71/346,100.91
  6. Step 6: Final answer
    x = 263,652.21

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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.