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Finding the Fourth Proportional to 208,316.74, 313,362.06 and 188,830.60

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Solution

The fourth proportional to 208,316.74, 313,362.06 and 188,830.60 is: 284,049.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,316.74 : 313,362.06 = 188,830.60 : x
  2. Step 2: Convert to fraction form
    208,316.74/313,362.06 = 188,830.60/x
  3. Step 3: Cross multiply
    208,316.74x = 313,362.06 × 188,830.60
  4. Step 4: Simplify right side
    208,316.74x = 59,172,345,807.04
  5. Step 5: Solve for x
    x = 59,172,345,807.04/208,316.74
  6. Step 6: Final answer
    x = 284,049.88

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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.