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Finding the Fourth Proportional to 325,319.58, 448,855.56 and 187,464.60

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Solution

The fourth proportional to 325,319.58, 448,855.56 and 187,464.60 is: 258,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,319.58 : 448,855.56 = 187,464.60 : x
  2. Step 2: Convert to fraction form
    325,319.58/448,855.56 = 187,464.60/x
  3. Step 3: Cross multiply
    325,319.58x = 448,855.56 × 187,464.60
  4. Step 4: Simplify right side
    325,319.58x = 84,144,528,013.18
  5. Step 5: Solve for x
    x = 84,144,528,013.18/325,319.58
  6. Step 6: Final answer
    x = 258,651.90

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1.5x scale

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.