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Finding the Fourth Proportional to 338,245.50, 506,927.59 and 188,479.74

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Solution

The fourth proportional to 338,245.50, 506,927.59 and 188,479.74 is: 282,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,245.50 : 506,927.59 = 188,479.74 : x
  2. Step 2: Convert to fraction form
    338,245.50/506,927.59 = 188,479.74/x
  3. Step 3: Cross multiply
    338,245.50x = 506,927.59 × 188,479.74
  4. Step 4: Simplify right side
    338,245.50x = 95,545,580,362.03
  5. Step 5: Solve for x
    x = 95,545,580,362.03/338,245.50
  6. Step 6: Final answer
    x = 282,474.06

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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.