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Finding the Fourth Proportional to 405,832.30, 608,748.45 and 184,216.30

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Solution

The fourth proportional to 405,832.30, 608,748.45 and 184,216.30 is: 276,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,832.30 : 608,748.45 = 184,216.30 : x
  2. Step 2: Convert to fraction form
    405,832.30/608,748.45 = 184,216.30/x
  3. Step 3: Cross multiply
    405,832.30x = 608,748.45 × 184,216.30
  4. Step 4: Simplify right side
    405,832.30x = 112,141,387,089.74
  5. Step 5: Solve for x
    x = 112,141,387,089.74/405,832.30
  6. Step 6: Final answer
    x = 276,324.45

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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.