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Finding the Fourth Proportional to 284,714.96, 392,966.72 and 236,921.72

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Solution

The fourth proportional to 284,714.96, 392,966.72 and 236,921.72 is: 327,001.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,714.96 : 392,966.72 = 236,921.72 : x
  2. Step 2: Convert to fraction form
    284,714.96/392,966.72 = 236,921.72/x
  3. Step 3: Cross multiply
    284,714.96x = 392,966.72 × 236,921.72
  4. Step 4: Simplify right side
    284,714.96x = 93,102,348,055.72
  5. Step 5: Solve for x
    x = 93,102,348,055.72/284,714.96
  6. Step 6: Final answer
    x = 327,001.96

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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.