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Finding the Fourth Proportional to 423,949.64, 585,055.16 and 232,963.08

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Solution

The fourth proportional to 423,949.64, 585,055.16 and 232,963.08 is: 321,491.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,949.64 : 585,055.16 = 232,963.08 : x
  2. Step 2: Convert to fraction form
    423,949.64/585,055.16 = 232,963.08/x
  3. Step 3: Cross multiply
    423,949.64x = 585,055.16 × 232,963.08
  4. Step 4: Simplify right side
    423,949.64x = 136,296,252,043.49
  5. Step 5: Solve for x
    x = 136,296,252,043.49/423,949.64
  6. Step 6: Final answer
    x = 321,491.61

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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.