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Finding the Fourth Proportional to 368,770.88, 553,371.44 and 155,525.68

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Solution

The fourth proportional to 368,770.88, 553,371.44 and 155,525.68 is: 233,379.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,770.88 : 553,371.44 = 155,525.68 : x
  2. Step 2: Convert to fraction form
    368,770.88/553,371.44 = 155,525.68/x
  3. Step 3: Cross multiply
    368,770.88x = 553,371.44 × 155,525.68
  4. Step 4: Simplify right side
    368,770.88x = 86,063,469,498.58
  5. Step 5: Solve for x
    x = 86,063,469,498.58/368,770.88
  6. Step 6: Final answer
    x = 233,379.24

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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.