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Finding the Fourth Proportional to 271,528.81, 406,763.43 and 177,750.25

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Solution

The fourth proportional to 271,528.81, 406,763.43 and 177,750.25 is: 266,278.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,528.81 : 406,763.43 = 177,750.25 : x
  2. Step 2: Convert to fraction form
    271,528.81/406,763.43 = 177,750.25/x
  3. Step 3: Cross multiply
    271,528.81x = 406,763.43 × 177,750.25
  4. Step 4: Simplify right side
    271,528.81x = 72,302,301,373.36
  5. Step 5: Solve for x
    x = 72,302,301,373.36/271,528.81
  6. Step 6: Final answer
    x = 266,278.56

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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.