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Finding the Fourth Proportional to 332,521.30, 498,453.90 and 163,903.60

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Solution

The fourth proportional to 332,521.30, 498,453.90 and 163,903.60 is: 245,693.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,521.30 : 498,453.90 = 163,903.60 : x
  2. Step 2: Convert to fraction form
    332,521.30/498,453.90 = 163,903.60/x
  3. Step 3: Cross multiply
    332,521.30x = 498,453.90 × 163,903.60
  4. Step 4: Simplify right side
    332,521.30x = 81,698,388,644.04
  5. Step 5: Solve for x
    x = 81,698,388,644.04/332,521.30
  6. Step 6: Final answer
    x = 245,693.70

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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.