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Finding the Fourth Proportional to 507,454.08, 761,085.86 and 254,666.76

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Solution

The fourth proportional to 507,454.08, 761,085.86 and 254,666.76 is: 381,952.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,454.08 : 761,085.86 = 254,666.76 : x
  2. Step 2: Convert to fraction form
    507,454.08/761,085.86 = 254,666.76/x
  3. Step 3: Cross multiply
    507,454.08x = 761,085.86 × 254,666.76
  4. Step 4: Simplify right side
    507,454.08x = 193,823,268,774.68
  5. Step 5: Solve for x
    x = 193,823,268,774.68/507,454.08
  6. Step 6: Final answer
    x = 381,952.33

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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.