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Finding the Fourth Proportional to 246,829.20, 370,243.80 and 220,585.20

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Solution

The fourth proportional to 246,829.20, 370,243.80 and 220,585.20 is: 330,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,829.20 : 370,243.80 = 220,585.20 : x
  2. Step 2: Convert to fraction form
    246,829.20/370,243.80 = 220,585.20/x
  3. Step 3: Cross multiply
    246,829.20x = 370,243.80 × 220,585.20
  4. Step 4: Simplify right side
    246,829.20x = 81,670,302,671.76
  5. Step 5: Solve for x
    x = 81,670,302,671.76/246,829.20
  6. Step 6: Final answer
    x = 330,877.80

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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.