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Finding the Fourth Proportional to 334,443.65, 461,400.86 and 191,126.81

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Solution

The fourth proportional to 334,443.65, 461,400.86 and 191,126.81 is: 263,679.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,443.65 : 461,400.86 = 191,126.81 : x
  2. Step 2: Convert to fraction form
    334,443.65/461,400.86 = 191,126.81/x
  3. Step 3: Cross multiply
    334,443.65x = 461,400.86 × 191,126.81
  4. Step 4: Simplify right side
    334,443.65x = 88,186,071,240.42
  5. Step 5: Solve for x
    x = 88,186,071,240.42/334,443.65
  6. Step 6: Final answer
    x = 263,679.91

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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.