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Finding the Fourth Proportional to 423,956.88, 585,053.28 and 232,970.04

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Solution

The fourth proportional to 423,956.88, 585,053.28 and 232,970.04 is: 321,494.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,956.88 : 585,053.28 = 232,970.04 : x
  2. Step 2: Convert to fraction form
    423,956.88/585,053.28 = 232,970.04/x
  3. Step 3: Cross multiply
    423,956.88x = 585,053.28 × 232,970.04
  4. Step 4: Simplify right side
    423,956.88x = 136,299,886,043.73
  5. Step 5: Solve for x
    x = 136,299,886,043.73/423,956.88
  6. Step 6: Final answer
    x = 321,494.69

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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.