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Finding the Fourth Proportional to 379,901.10, 569,851.65 and 222,048.30

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Solution

The fourth proportional to 379,901.10, 569,851.65 and 222,048.30 is: 333,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,901.10 : 569,851.65 = 222,048.30 : x
  2. Step 2: Convert to fraction form
    379,901.10/569,851.65 = 222,048.30/x
  3. Step 3: Cross multiply
    379,901.10x = 569,851.65 × 222,048.30
  4. Step 4: Simplify right side
    379,901.10x = 126,534,590,134.70
  5. Step 5: Solve for x
    x = 126,534,590,134.70/379,901.10
  6. Step 6: Final answer
    x = 333,072.45

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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.