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Finding the Fourth Proportional to 275,027.94, 379,531.74 and 152,519.62

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Solution

The fourth proportional to 275,027.94, 379,531.74 and 152,519.62 is: 210,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,027.94 : 379,531.74 = 152,519.62 : x
  2. Step 2: Convert to fraction form
    275,027.94/379,531.74 = 152,519.62/x
  3. Step 3: Cross multiply
    275,027.94x = 379,531.74 × 152,519.62
  4. Step 4: Simplify right side
    275,027.94x = 57,886,036,762.74
  5. Step 5: Solve for x
    x = 57,886,036,762.74/275,027.94
  6. Step 6: Final answer
    x = 210,473.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.