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Finding the Fourth Proportional to 334,707.88, 461,782.80 and 213,918.88

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Solution

The fourth proportional to 334,707.88, 461,782.80 and 213,918.88 is: 295,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,707.88 : 461,782.80 = 213,918.88 : x
  2. Step 2: Convert to fraction form
    334,707.88/461,782.80 = 213,918.88/x
  3. Step 3: Cross multiply
    334,707.88x = 461,782.80 × 213,918.88
  4. Step 4: Simplify right side
    334,707.88x = 98,784,059,379.26
  5. Step 5: Solve for x
    x = 98,784,059,379.26/334,707.88
  6. Step 6: Final answer
    x = 295,135.15

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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.