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Finding the Fourth Proportional to 252,017.60, 377,637.60 and 218,580.80

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Solution

The fourth proportional to 252,017.60, 377,637.60 and 218,580.80 is: 327,533.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,017.60 : 377,637.60 = 218,580.80 : x
  2. Step 2: Convert to fraction form
    252,017.60/377,637.60 = 218,580.80/x
  3. Step 3: Cross multiply
    252,017.60x = 377,637.60 × 218,580.80
  4. Step 4: Simplify right side
    252,017.60x = 82,544,328,718.08
  5. Step 5: Solve for x
    x = 82,544,328,718.08/252,017.60
  6. Step 6: Final answer
    x = 327,533.98

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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.