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Finding the Fourth Proportional to 355,048.25, 532,583.31 and 155,265.80

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Solution

The fourth proportional to 355,048.25, 532,583.31 and 155,265.80 is: 232,903.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,048.25 : 532,583.31 = 155,265.80 : x
  2. Step 2: Convert to fraction form
    355,048.25/532,583.31 = 155,265.80/x
  3. Step 3: Cross multiply
    355,048.25x = 532,583.31 × 155,265.80
  4. Step 4: Simplify right side
    355,048.25x = 82,691,971,030.88
  5. Step 5: Solve for x
    x = 82,691,971,030.88/355,048.25
  6. Step 6: Final answer
    x = 232,903.48

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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.