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Finding the Fourth Proportional to 271,683.15, 406,994.58 and 177,904.59

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Solution

The fourth proportional to 271,683.15, 406,994.58 and 177,904.59 is: 266,509.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,683.15 : 406,994.58 = 177,904.59 : x
  2. Step 2: Convert to fraction form
    271,683.15/406,994.58 = 177,904.59/x
  3. Step 3: Cross multiply
    271,683.15x = 406,994.58 × 177,904.59
  4. Step 4: Simplify right side
    271,683.15x = 72,406,206,080.49
  5. Step 5: Solve for x
    x = 72,406,206,080.49/271,683.15
  6. Step 6: Final answer
    x = 266,509.74

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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.