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Finding the Fourth Proportional to 334,625.88, 461,869 and 191,430.84

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Solution

The fourth proportional to 334,625.88, 461,869 and 191,430.84 is: 264,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,625.88 : 461,869 = 191,430.84 : x
  2. Step 2: Convert to fraction form
    334,625.88/461,869 = 191,430.84/x
  3. Step 3: Cross multiply
    334,625.88x = 461,869 × 191,430.84
  4. Step 4: Simplify right side
    334,625.88x = 88,415,970,639.96
  5. Step 5: Solve for x
    x = 88,415,970,639.96/334,625.88
  6. Step 6: Final answer
    x = 264,223.35

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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.