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Finding the Fourth Proportional to 334,483.68, 461,505.96 and 189,292.80

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Solution

The fourth proportional to 334,483.68, 461,505.96 and 189,292.80 is: 261,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,483.68 : 461,505.96 = 189,292.80 : x
  2. Step 2: Convert to fraction form
    334,483.68/461,505.96 = 189,292.80/x
  3. Step 3: Cross multiply
    334,483.68x = 461,505.96 × 189,292.80
  4. Step 4: Simplify right side
    334,483.68x = 87,359,755,385.09
  5. Step 5: Solve for x
    x = 87,359,755,385.09/334,483.68
  6. Step 6: Final answer
    x = 261,177.93

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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.