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Finding the Fourth Proportional to 469,298.88, 647,636.16 and 265,341.12

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Solution

The fourth proportional to 469,298.88, 647,636.16 and 265,341.12 is: 366,172.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,298.88 : 647,636.16 = 265,341.12 : x
  2. Step 2: Convert to fraction form
    469,298.88/647,636.16 = 265,341.12/x
  3. Step 3: Cross multiply
    469,298.88x = 647,636.16 × 265,341.12
  4. Step 4: Simplify right side
    469,298.88x = 171,844,504,046.90
  5. Step 5: Solve for x
    x = 171,844,504,046.90/469,298.88
  6. Step 6: Final answer
    x = 366,172.84

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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.