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Finding the Fourth Proportional to 334,393.40, 461,462.86 and 191,156.64

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Solution

The fourth proportional to 334,393.40, 461,462.86 and 191,156.64 is: 263,796.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,393.40 : 461,462.86 = 191,156.64 : x
  2. Step 2: Convert to fraction form
    334,393.40/461,462.86 = 191,156.64/x
  3. Step 3: Cross multiply
    334,393.40x = 461,462.86 × 191,156.64
  4. Step 4: Simplify right side
    334,393.40x = 88,211,689,802.39
  5. Step 5: Solve for x
    x = 88,211,689,802.39/334,393.40
  6. Step 6: Final answer
    x = 263,796.14

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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.