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Finding the Fourth Proportional to 360,441.54, 497,389.45 and 199,285.96

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Solution

The fourth proportional to 360,441.54, 497,389.45 and 199,285.96 is: 275,003.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,441.54 : 497,389.45 = 199,285.96 : x
  2. Step 2: Convert to fraction form
    360,441.54/497,389.45 = 199,285.96/x
  3. Step 3: Cross multiply
    360,441.54x = 497,389.45 × 199,285.96
  4. Step 4: Simplify right side
    360,441.54x = 99,122,732,421.02
  5. Step 5: Solve for x
    x = 99,122,732,421.02/360,441.54
  6. Step 6: Final answer
    x = 275,003.63

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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.