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Finding the Fourth Proportional to 539,090.20, 808,635.30 and 504,098.20

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Solution

The fourth proportional to 539,090.20, 808,635.30 and 504,098.20 is: 756,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,090.20 : 808,635.30 = 504,098.20 : x
  2. Step 2: Convert to fraction form
    539,090.20/808,635.30 = 504,098.20/x
  3. Step 3: Cross multiply
    539,090.20x = 808,635.30 × 504,098.20
  4. Step 4: Simplify right side
    539,090.20x = 407,631,599,186.46
  5. Step 5: Solve for x
    x = 407,631,599,186.46/539,090.20
  6. Step 6: Final answer
    x = 756,147.30

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Half scale
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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.