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Finding the Fourth Proportional to 368,580.52, 552,520.50 and 144,084.88

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Solution

The fourth proportional to 368,580.52, 552,520.50 and 144,084.88 is: 215,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,580.52 : 552,520.50 = 144,084.88 : x
  2. Step 2: Convert to fraction form
    368,580.52/552,520.50 = 144,084.88/x
  3. Step 3: Cross multiply
    368,580.52x = 552,520.50 × 144,084.88
  4. Step 4: Simplify right side
    368,580.52x = 79,609,849,940.04
  5. Step 5: Solve for x
    x = 79,609,849,940.04/368,580.52
  6. Step 6: Final answer
    x = 215,990.39

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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.