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Finding the Fourth Proportional to 269,238.18, 403,852.74 and 79,697.73

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Solution

The fourth proportional to 269,238.18, 403,852.74 and 79,697.73 is: 119,545.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,238.18 : 403,852.74 = 79,697.73 : x
  2. Step 2: Convert to fraction form
    269,238.18/403,852.74 = 79,697.73/x
  3. Step 3: Cross multiply
    269,238.18x = 403,852.74 × 79,697.73
  4. Step 4: Simplify right side
    269,238.18x = 32,186,146,632.28
  5. Step 5: Solve for x
    x = 32,186,146,632.28/269,238.18
  6. Step 6: Final answer
    x = 119,545.25

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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.