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Finding the Fourth Proportional to 334,349.41, 461,411.76 and 191,128.45

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Solution

The fourth proportional to 334,349.41, 461,411.76 and 191,128.45 is: 263,762.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,349.41 : 461,411.76 = 191,128.45 : x
  2. Step 2: Convert to fraction form
    334,349.41/461,411.76 = 191,128.45/x
  3. Step 3: Cross multiply
    334,349.41x = 461,411.76 × 191,128.45
  4. Step 4: Simplify right side
    334,349.41x = 88,188,914,500.57
  5. Step 5: Solve for x
    x = 88,188,914,500.57/334,349.41
  6. Step 6: Final answer
    x = 263,762.73

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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.