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Finding the Fourth Proportional to 924,818.54, 1,387,076.54 and 325,638.86

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Solution

The fourth proportional to 924,818.54, 1,387,076.54 and 325,638.86 is: 488,405.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,818.54 : 1,387,076.54 = 325,638.86 : x
  2. Step 2: Convert to fraction form
    924,818.54/1,387,076.54 = 325,638.86/x
  3. Step 3: Cross multiply
    924,818.54x = 1,387,076.54 × 325,638.86
  4. Step 4: Simplify right side
    924,818.54x = 451,686,014,654.77
  5. Step 5: Solve for x
    x = 451,686,014,654.77/924,818.54
  6. Step 6: Final answer
    x = 488,405.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.