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Finding the Fourth Proportional to 356,459.54, 491,913.88 and 195,324.62

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Solution

The fourth proportional to 356,459.54, 491,913.88 and 195,324.62 is: 269,547.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,459.54 : 491,913.88 = 195,324.62 : x
  2. Step 2: Convert to fraction form
    356,459.54/491,913.88 = 195,324.62/x
  3. Step 3: Cross multiply
    356,459.54x = 491,913.88 × 195,324.62
  4. Step 4: Simplify right side
    356,459.54x = 96,082,888,735.84
  5. Step 5: Solve for x
    x = 96,082,888,735.84/356,459.54
  6. Step 6: Final answer
    x = 269,547.81

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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.