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Finding the Fourth Proportional to 360,636.30, 497,675.07 and 199,489.50

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Solution

The fourth proportional to 360,636.30, 497,675.07 and 199,489.50 is: 275,293.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,636.30 : 497,675.07 = 199,489.50 : x
  2. Step 2: Convert to fraction form
    360,636.30/497,675.07 = 199,489.50/x
  3. Step 3: Cross multiply
    360,636.30x = 497,675.07 × 199,489.50
  4. Step 4: Simplify right side
    360,636.30x = 99,280,950,876.77
  5. Step 5: Solve for x
    x = 99,280,950,876.77/360,636.30
  6. Step 6: Final answer
    x = 275,293.84

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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.