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Finding the Fourth Proportional to 605,080.80, 907,621.20 and 161,848.80

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Solution

The fourth proportional to 605,080.80, 907,621.20 and 161,848.80 is: 242,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,080.80 : 907,621.20 = 161,848.80 : x
  2. Step 2: Convert to fraction form
    605,080.80/907,621.20 = 161,848.80/x
  3. Step 3: Cross multiply
    605,080.80x = 907,621.20 × 161,848.80
  4. Step 4: Simplify right side
    605,080.80x = 146,897,402,074.56
  5. Step 5: Solve for x
    x = 146,897,402,074.56/605,080.80
  6. Step 6: Final answer
    x = 242,773.20

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Similar ratio
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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.