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Finding the Fourth Proportional to 271,003.63, 373,975.08 and 156,287.11

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Solution

The fourth proportional to 271,003.63, 373,975.08 and 156,287.11 is: 215,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,003.63 : 373,975.08 = 156,287.11 : x
  2. Step 2: Convert to fraction form
    271,003.63/373,975.08 = 156,287.11/x
  3. Step 3: Cross multiply
    271,003.63x = 373,975.08 × 156,287.11
  4. Step 4: Simplify right side
    271,003.63x = 58,447,484,465.22
  5. Step 5: Solve for x
    x = 58,447,484,465.22/271,003.63
  6. Step 6: Final answer
    x = 215,670.49

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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.