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Finding the Fourth Proportional to 332,254.80, 498,455.10 and 163,855.80

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Solution

The fourth proportional to 332,254.80, 498,455.10 and 163,855.80 is: 245,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,254.80 : 498,455.10 = 163,855.80 : x
  2. Step 2: Convert to fraction form
    332,254.80/498,455.10 = 163,855.80/x
  3. Step 3: Cross multiply
    332,254.80x = 498,455.10 × 163,855.80
  4. Step 4: Simplify right side
    332,254.80x = 81,674,759,174.58
  5. Step 5: Solve for x
    x = 81,674,759,174.58/332,254.80
  6. Step 6: Final answer
    x = 245,819.65

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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.