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Finding the Fourth Proportional to 590,796.40, 886,291.80 and 253,998.40

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Solution

The fourth proportional to 590,796.40, 886,291.80 and 253,998.40 is: 381,039.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,796.40 : 886,291.80 = 253,998.40 : x
  2. Step 2: Convert to fraction form
    590,796.40/886,291.80 = 253,998.40/x
  3. Step 3: Cross multiply
    590,796.40x = 886,291.80 × 253,998.40
  4. Step 4: Simplify right side
    590,796.40x = 225,116,699,133.12
  5. Step 5: Solve for x
    x = 225,116,699,133.12/590,796.40
  6. Step 6: Final answer
    x = 381,039.39

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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.