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Finding the Fourth Proportional to 360,647.12, 497,684.04 and 199,511.12

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Solution

The fourth proportional to 360,647.12, 497,684.04 and 199,511.12 is: 275,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,647.12 : 497,684.04 = 199,511.12 : x
  2. Step 2: Convert to fraction form
    360,647.12/497,684.04 = 199,511.12/x
  3. Step 3: Cross multiply
    360,647.12x = 497,684.04 × 199,511.12
  4. Step 4: Simplify right side
    360,647.12x = 99,293,500,226.52
  5. Step 5: Solve for x
    x = 99,293,500,226.52/360,647.12
  6. Step 6: Final answer
    x = 275,320.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.