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Finding the Fourth Proportional to 365,003.10, 547,504.64 and 115,685.10

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Solution

The fourth proportional to 365,003.10, 547,504.64 and 115,685.10 is: 173,527.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,003.10 : 547,504.64 = 115,685.10 : x
  2. Step 2: Convert to fraction form
    365,003.10/547,504.64 = 115,685.10/x
  3. Step 3: Cross multiply
    365,003.10x = 547,504.64 × 115,685.10
  4. Step 4: Simplify right side
    365,003.10x = 63,338,129,028.86
  5. Step 5: Solve for x
    x = 63,338,129,028.86/365,003.10
  6. Step 6: Final answer
    x = 173,527.65

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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.