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Finding the Fourth Proportional to 493,090.60, 739,635.90 and 160,700.20

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Solution

The fourth proportional to 493,090.60, 739,635.90 and 160,700.20 is: 241,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,090.60 : 739,635.90 = 160,700.20 : x
  2. Step 2: Convert to fraction form
    493,090.60/739,635.90 = 160,700.20/x
  3. Step 3: Cross multiply
    493,090.60x = 739,635.90 × 160,700.20
  4. Step 4: Simplify right side
    493,090.60x = 118,859,637,057.18
  5. Step 5: Solve for x
    x = 118,859,637,057.18/493,090.60
  6. Step 6: Final answer
    x = 241,050.30

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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.