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Finding the Fourth Proportional to 462,666.80, 694,000.20 and 163,485.20

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Solution

The fourth proportional to 462,666.80, 694,000.20 and 163,485.20 is: 245,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,666.80 : 694,000.20 = 163,485.20 : x
  2. Step 2: Convert to fraction form
    462,666.80/694,000.20 = 163,485.20/x
  3. Step 3: Cross multiply
    462,666.80x = 694,000.20 × 163,485.20
  4. Step 4: Simplify right side
    462,666.80x = 113,458,761,497.04
  5. Step 5: Solve for x
    x = 113,458,761,497.04/462,666.80
  6. Step 6: Final answer
    x = 245,227.80

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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.