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Finding the Fourth Proportional to 363,563.65, 544,254.40 and 220,968.82

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Solution

The fourth proportional to 363,563.65, 544,254.40 and 220,968.82 is: 330,790.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,563.65 : 544,254.40 = 220,968.82 : x
  2. Step 2: Convert to fraction form
    363,563.65/544,254.40 = 220,968.82/x
  3. Step 3: Cross multiply
    363,563.65x = 544,254.40 × 220,968.82
  4. Step 4: Simplify right side
    363,563.65x = 120,263,252,547.81
  5. Step 5: Solve for x
    x = 120,263,252,547.81/363,563.65
  6. Step 6: Final answer
    x = 330,790.09

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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.