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Finding the Fourth Proportional to 341,365.86, 512,114.85 and 130,987.44

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Solution

The fourth proportional to 341,365.86, 512,114.85 and 130,987.44 is: 196,506.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,365.86 : 512,114.85 = 130,987.44 : x
  2. Step 2: Convert to fraction form
    341,365.86/512,114.85 = 130,987.44/x
  3. Step 3: Cross multiply
    341,365.86x = 512,114.85 × 130,987.44
  4. Step 4: Simplify right side
    341,365.86x = 67,080,613,187.48
  5. Step 5: Solve for x
    x = 67,080,613,187.48/341,365.86
  6. Step 6: Final answer
    x = 196,506.51

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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.