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Finding the Fourth Proportional to 367,029.30, 550,543.98 and 311,042.10

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Solution

The fourth proportional to 367,029.30, 550,543.98 and 311,042.10 is: 466,563.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,029.30 : 550,543.98 = 311,042.10 : x
  2. Step 2: Convert to fraction form
    367,029.30/550,543.98 = 311,042.10/x
  3. Step 3: Cross multiply
    367,029.30x = 550,543.98 × 311,042.10
  4. Step 4: Simplify right side
    367,029.30x = 171,242,355,681.56
  5. Step 5: Solve for x
    x = 171,242,355,681.56/367,029.30
  6. Step 6: Final answer
    x = 466,563.18

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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.