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Finding the Fourth Proportional to 507,795.89, 761,278.10 and 254,770.92

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Solution

The fourth proportional to 507,795.89, 761,278.10 and 254,770.92 is: 381,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,795.89 : 761,278.10 = 254,770.92 : x
  2. Step 2: Convert to fraction form
    507,795.89/761,278.10 = 254,770.92/x
  3. Step 3: Cross multiply
    507,795.89x = 761,278.10 × 254,770.92
  4. Step 4: Simplify right side
    507,795.89x = 193,951,520,639.00
  5. Step 5: Solve for x
    x = 193,951,520,639.00/507,795.89
  6. Step 6: Final answer
    x = 381,947.80

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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.