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Finding the Fourth Proportional to 452,757.60, 624,545.28 and 282,696.48

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Solution

The fourth proportional to 452,757.60, 624,545.28 and 282,696.48 is: 389,958.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,757.60 : 624,545.28 = 282,696.48 : x
  2. Step 2: Convert to fraction form
    452,757.60/624,545.28 = 282,696.48/x
  3. Step 3: Cross multiply
    452,757.60x = 624,545.28 × 282,696.48
  4. Step 4: Simplify right side
    452,757.60x = 176,556,752,256.61
  5. Step 5: Solve for x
    x = 176,556,752,256.61/452,757.60
  6. Step 6: Final answer
    x = 389,958.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.