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Finding the Fourth Proportional to 253,519.00, 349,855.61 and 151,539.50

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Solution

The fourth proportional to 253,519.00, 349,855.61 and 151,539.50 is: 209,124.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,519.00 : 349,855.61 = 151,539.50 : x
  2. Step 2: Convert to fraction form
    253,519.00/349,855.61 = 151,539.50/x
  3. Step 3: Cross multiply
    253,519.00x = 349,855.61 × 151,539.50
  4. Step 4: Simplify right side
    253,519.00x = 53,016,944,328.54
  5. Step 5: Solve for x
    x = 53,016,944,328.54/253,519.00
  6. Step 6: Final answer
    x = 209,124.15

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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.