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Finding the Fourth Proportional to 301,668.60, 452,601.33 and 143,876.55

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Solution

The fourth proportional to 301,668.60, 452,601.33 and 143,876.55 is: 215,861.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,668.60 : 452,601.33 = 143,876.55 : x
  2. Step 2: Convert to fraction form
    301,668.60/452,601.33 = 143,876.55/x
  3. Step 3: Cross multiply
    301,668.60x = 452,601.33 × 143,876.55
  4. Step 4: Simplify right side
    301,668.60x = 65,118,717,885.81
  5. Step 5: Solve for x
    x = 65,118,717,885.81/301,668.60
  6. Step 6: Final answer
    x = 215,861.77

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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.