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Finding the Fourth Proportional to 368,587.52, 552,531 and 144,091.88

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Solution

The fourth proportional to 368,587.52, 552,531 and 144,091.88 is: 216,000.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,587.52 : 552,531 = 144,091.88 : x
  2. Step 2: Convert to fraction form
    368,587.52/552,531 = 144,091.88/x
  3. Step 3: Cross multiply
    368,587.52x = 552,531 × 144,091.88
  4. Step 4: Simplify right side
    368,587.52x = 79,615,230,548.28
  5. Step 5: Solve for x
    x = 79,615,230,548.28/368,587.52
  6. Step 6: Final answer
    x = 216,000.89

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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.