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Finding the Fourth Proportional to 367,053.10, 550,579.65 and 328,561.90

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Solution

The fourth proportional to 367,053.10, 550,579.65 and 328,561.90 is: 492,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,053.10 : 550,579.65 = 328,561.90 : x
  2. Step 2: Convert to fraction form
    367,053.10/550,579.65 = 328,561.90/x
  3. Step 3: Cross multiply
    367,053.10x = 550,579.65 × 328,561.90
  4. Step 4: Simplify right side
    367,053.10x = 180,899,495,905.34
  5. Step 5: Solve for x
    x = 180,899,495,905.34/367,053.10
  6. Step 6: Final answer
    x = 492,842.85

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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.