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Finding the Fourth Proportional to 662,060.60, 993,090.90 and 410,118.20

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Solution

The fourth proportional to 662,060.60, 993,090.90 and 410,118.20 is: 615,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,060.60 : 993,090.90 = 410,118.20 : x
  2. Step 2: Convert to fraction form
    662,060.60/993,090.90 = 410,118.20/x
  3. Step 3: Cross multiply
    662,060.60x = 993,090.90 × 410,118.20
  4. Step 4: Simplify right side
    662,060.60x = 407,284,652,344.38
  5. Step 5: Solve for x
    x = 407,284,652,344.38/662,060.60
  6. Step 6: Final answer
    x = 615,177.30

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Double scale
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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.