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Finding the Fourth Proportional to 270,722.79, 373,326.47 and 180,082.58

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Solution

The fourth proportional to 270,722.79, 373,326.47 and 180,082.58 is: 248,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,722.79 : 373,326.47 = 180,082.58 : x
  2. Step 2: Convert to fraction form
    270,722.79/373,326.47 = 180,082.58/x
  3. Step 3: Cross multiply
    270,722.79x = 373,326.47 × 180,082.58
  4. Step 4: Simplify right side
    270,722.79x = 67,229,591,808.16
  5. Step 5: Solve for x
    x = 67,229,591,808.16/270,722.79
  6. Step 6: Final answer
    x = 248,333.70

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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.