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Finding the Fourth Proportional to 318,496.64, 439,526.85 and 182,538.62

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Solution

The fourth proportional to 318,496.64, 439,526.85 and 182,538.62 is: 251,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,496.64 : 439,526.85 = 182,538.62 : x
  2. Step 2: Convert to fraction form
    318,496.64/439,526.85 = 182,538.62/x
  3. Step 3: Cross multiply
    318,496.64x = 439,526.85 × 182,538.62
  4. Step 4: Simplify right side
    318,496.64x = 80,230,622,454.31
  5. Step 5: Solve for x
    x = 80,230,622,454.31/318,496.64
  6. Step 6: Final answer
    x = 251,904.14

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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.