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Finding the Fourth Proportional to 335,467.80, 462,941.76 and 249,809.92

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Solution

The fourth proportional to 335,467.80, 462,941.76 and 249,809.92 is: 344,734.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,467.80 : 462,941.76 = 249,809.92 : x
  2. Step 2: Convert to fraction form
    335,467.80/462,941.76 = 249,809.92/x
  3. Step 3: Cross multiply
    335,467.80x = 462,941.76 × 249,809.92
  4. Step 4: Simplify right side
    335,467.80x = 115,647,444,030.26
  5. Step 5: Solve for x
    x = 115,647,444,030.26/335,467.80
  6. Step 6: Final answer
    x = 344,734.86

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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.