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Finding the Fourth Proportional to 327,587.03, 491,383.29 and 90,948.16

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Solution

The fourth proportional to 327,587.03, 491,383.29 and 90,948.16 is: 136,423.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,587.03 : 491,383.29 = 90,948.16 : x
  2. Step 2: Convert to fraction form
    327,587.03/491,383.29 = 90,948.16/x
  3. Step 3: Cross multiply
    327,587.03x = 491,383.29 × 90,948.16
  4. Step 4: Simplify right side
    327,587.03x = 44,690,407,035.53
  5. Step 5: Solve for x
    x = 44,690,407,035.53/327,587.03
  6. Step 6: Final answer
    x = 136,423.01

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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.