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Finding the Fourth Proportional to 331,315.60, 496,973.40 and 226,339.60

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Solution

The fourth proportional to 331,315.60, 496,973.40 and 226,339.60 is: 339,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,315.60 : 496,973.40 = 226,339.60 : x
  2. Step 2: Convert to fraction form
    331,315.60/496,973.40 = 226,339.60/x
  3. Step 3: Cross multiply
    331,315.60x = 496,973.40 × 226,339.60
  4. Step 4: Simplify right side
    331,315.60x = 112,484,760,566.64
  5. Step 5: Solve for x
    x = 112,484,760,566.64/331,315.60
  6. Step 6: Final answer
    x = 339,509.40

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Similar ratio
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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.