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Finding the Fourth Proportional to 334,689.86, 461,481.75 and 249,659.30

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Solution

The fourth proportional to 334,689.86, 461,481.75 and 249,659.30 is: 344,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,689.86 : 461,481.75 = 249,659.30 : x
  2. Step 2: Convert to fraction form
    334,689.86/461,481.75 = 249,659.30/x
  3. Step 3: Cross multiply
    334,689.86x = 461,481.75 × 249,659.30
  4. Step 4: Simplify right side
    334,689.86x = 115,213,208,360.37
  5. Step 5: Solve for x
    x = 115,213,208,360.37/334,689.86
  6. Step 6: Final answer
    x = 344,238.72

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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.