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Finding the Fourth Proportional to 355,048.12, 532,583.12 and 155,265.67

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Solution

The fourth proportional to 355,048.12, 532,583.12 and 155,265.67 is: 232,903.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,048.12 : 532,583.12 = 155,265.67 : x
  2. Step 2: Convert to fraction form
    355,048.12/532,583.12 = 155,265.67/x
  3. Step 3: Cross multiply
    355,048.12x = 532,583.12 × 155,265.67
  4. Step 4: Simplify right side
    355,048.12x = 82,691,874,957.49
  5. Step 5: Solve for x
    x = 82,691,874,957.49/355,048.12
  6. Step 6: Final answer
    x = 232,903.29

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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.