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Finding the Fourth Proportional to 469,332.39, 647,682.99 and 254,473.01

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Solution

The fourth proportional to 469,332.39, 647,682.99 and 254,473.01 is: 351,175.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,332.39 : 647,682.99 = 254,473.01 : x
  2. Step 2: Convert to fraction form
    469,332.39/647,682.99 = 254,473.01/x
  3. Step 3: Cross multiply
    469,332.39x = 647,682.99 × 254,473.01
  4. Step 4: Simplify right side
    469,332.39x = 164,817,838,227.22
  5. Step 5: Solve for x
    x = 164,817,838,227.22/469,332.39
  6. Step 6: Final answer
    x = 351,175.07

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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.