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Finding the Fourth Proportional to 331,374.30, 457,296.48 and 180,471.30

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Solution

The fourth proportional to 331,374.30, 457,296.48 and 180,471.30 is: 249,050.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,374.30 : 457,296.48 = 180,471.30 : x
  2. Step 2: Convert to fraction form
    331,374.30/457,296.48 = 180,471.30/x
  3. Step 3: Cross multiply
    331,374.30x = 457,296.48 × 180,471.30
  4. Step 4: Simplify right side
    331,374.30x = 82,528,890,231.02
  5. Step 5: Solve for x
    x = 82,528,890,231.02/331,374.30
  6. Step 6: Final answer
    x = 249,050.36

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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.