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Finding the Fourth Proportional to 316,313.70, 473,945.64 and 222,622.62

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Solution

The fourth proportional to 316,313.70, 473,945.64 and 222,622.62 is: 333,564.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,313.70 : 473,945.64 = 222,622.62 : x
  2. Step 2: Convert to fraction form
    316,313.70/473,945.64 = 222,622.62/x
  3. Step 3: Cross multiply
    316,313.70x = 473,945.64 × 222,622.62
  4. Step 4: Simplify right side
    316,313.70x = 105,511,020,114.38
  5. Step 5: Solve for x
    x = 105,511,020,114.38/316,313.70
  6. Step 6: Final answer
    x = 333,564.50

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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.