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Finding the Fourth Proportional to 496,666.40, 744,999.60 and 181,133.60

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Solution

The fourth proportional to 496,666.40, 744,999.60 and 181,133.60 is: 271,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,666.40 : 744,999.60 = 181,133.60 : x
  2. Step 2: Convert to fraction form
    496,666.40/744,999.60 = 181,133.60/x
  3. Step 3: Cross multiply
    496,666.40x = 744,999.60 × 181,133.60
  4. Step 4: Simplify right side
    496,666.40x = 134,944,459,546.56
  5. Step 5: Solve for x
    x = 134,944,459,546.56/496,666.40
  6. Step 6: Final answer
    x = 271,700.40

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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.