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Finding the Fourth Proportional to 302,459.13, 453,791.30 and 133,956.81

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Solution

The fourth proportional to 302,459.13, 453,791.30 and 133,956.81 is: 200,980.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,459.13 : 453,791.30 = 133,956.81 : x
  2. Step 2: Convert to fraction form
    302,459.13/453,791.30 = 133,956.81/x
  3. Step 3: Cross multiply
    302,459.13x = 453,791.30 × 133,956.81
  4. Step 4: Simplify right side
    302,459.13x = 60,788,434,283.97
  5. Step 5: Solve for x
    x = 60,788,434,283.97/302,459.13
  6. Step 6: Final answer
    x = 200,980.66

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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.