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Finding the Fourth Proportional to 302,885.30, 453,939.15 and 184,430.90

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Solution

The fourth proportional to 302,885.30, 453,939.15 and 184,430.90 is: 276,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,885.30 : 453,939.15 = 184,430.90 : x
  2. Step 2: Convert to fraction form
    302,885.30/453,939.15 = 184,430.90/x
  3. Step 3: Cross multiply
    302,885.30x = 453,939.15 × 184,430.90
  4. Step 4: Simplify right side
    302,885.30x = 83,720,405,979.74
  5. Step 5: Solve for x
    x = 83,720,405,979.74/302,885.30
  6. Step 6: Final answer
    x = 276,409.60

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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.