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Finding the Fourth Proportional to 334,386.90, 461,453.90 and 191,150.15

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Solution

The fourth proportional to 334,386.90, 461,453.90 and 191,150.15 is: 263,787.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,386.90 : 461,453.90 = 191,150.15 : x
  2. Step 2: Convert to fraction form
    334,386.90/461,453.90 = 191,150.15/x
  3. Step 3: Cross multiply
    334,386.90x = 461,453.90 × 191,150.15
  4. Step 4: Simplify right side
    334,386.90x = 88,206,978,940.06
  5. Step 5: Solve for x
    x = 88,206,978,940.06/334,386.90
  6. Step 6: Final answer
    x = 263,787.18

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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.