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Finding the Fourth Proportional to 432,550.80, 648,631.80 and 166,222.80

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Solution

The fourth proportional to 432,550.80, 648,631.80 and 166,222.80 is: 249,259.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,550.80 : 648,631.80 = 166,222.80 : x
  2. Step 2: Convert to fraction form
    432,550.80/648,631.80 = 166,222.80/x
  3. Step 3: Cross multiply
    432,550.80x = 648,631.80 × 166,222.80
  4. Step 4: Simplify right side
    432,550.80x = 107,817,393,965.04
  5. Step 5: Solve for x
    x = 107,817,393,965.04/432,550.80
  6. Step 6: Final answer
    x = 249,259.49

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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.