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Finding the Fourth Proportional to 302,707.80, 453,186.90 and 184,609.80

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Solution

The fourth proportional to 302,707.80, 453,186.90 and 184,609.80 is: 276,381.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,707.80 : 453,186.90 = 184,609.80 : x
  2. Step 2: Convert to fraction form
    302,707.80/453,186.90 = 184,609.80/x
  3. Step 3: Cross multiply
    302,707.80x = 453,186.90 × 184,609.80
  4. Step 4: Simplify right side
    302,707.80x = 83,662,742,971.62
  5. Step 5: Solve for x
    x = 83,662,742,971.62/302,707.80
  6. Step 6: Final answer
    x = 276,381.19

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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.