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Finding the Fourth Proportional to 546,383.92, 754,019.10 and 301,396.80

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Solution

The fourth proportional to 546,383.92, 754,019.10 and 301,396.80 is: 415,932.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,383.92 : 754,019.10 = 301,396.80 : x
  2. Step 2: Convert to fraction form
    546,383.92/754,019.10 = 301,396.80/x
  3. Step 3: Cross multiply
    546,383.92x = 754,019.10 × 301,396.80
  4. Step 4: Simplify right side
    546,383.92x = 227,258,943,878.88
  5. Step 5: Solve for x
    x = 227,258,943,878.88/546,383.92
  6. Step 6: Final answer
    x = 415,932.71

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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.