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Finding the Fourth Proportional to 270,213.04, 405,280.68 and 157,944.88

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Solution

The fourth proportional to 270,213.04, 405,280.68 and 157,944.88 is: 236,894.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,213.04 : 405,280.68 = 157,944.88 : x
  2. Step 2: Convert to fraction form
    270,213.04/405,280.68 = 157,944.88/x
  3. Step 3: Cross multiply
    270,213.04x = 405,280.68 × 157,944.88
  4. Step 4: Simplify right side
    270,213.04x = 64,012,008,368.92
  5. Step 5: Solve for x
    x = 64,012,008,368.92/270,213.04
  6. Step 6: Final answer
    x = 236,894.59

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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.