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Finding the Fourth Proportional to 360,776.18, 541,192.48 and 120,890.90

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Solution

The fourth proportional to 360,776.18, 541,192.48 and 120,890.90 is: 181,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,776.18 : 541,192.48 = 120,890.90 : x
  2. Step 2: Convert to fraction form
    360,776.18/541,192.48 = 120,890.90/x
  3. Step 3: Cross multiply
    360,776.18x = 541,192.48 × 120,890.90
  4. Step 4: Simplify right side
    360,776.18x = 65,425,245,980.43
  5. Step 5: Solve for x
    x = 65,425,245,980.43/360,776.18
  6. Step 6: Final answer
    x = 181,345.80

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1.5x scale

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.