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Finding the Fourth Proportional to 271,302.40, 406,953.60 and 177,862.40

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Solution

The fourth proportional to 271,302.40, 406,953.60 and 177,862.40 is: 266,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,302.40 : 406,953.60 = 177,862.40 : x
  2. Step 2: Convert to fraction form
    271,302.40/406,953.60 = 177,862.40/x
  3. Step 3: Cross multiply
    271,302.40x = 406,953.60 × 177,862.40
  4. Step 4: Simplify right side
    271,302.40x = 72,381,743,984.64
  5. Step 5: Solve for x
    x = 72,381,743,984.64/271,302.40
  6. Step 6: Final answer
    x = 266,793.60

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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.