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Finding the Fourth Proportional to 534,774.58, 738,324.48 and 344,119.30

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Solution

The fourth proportional to 534,774.58, 738,324.48 and 344,119.30 is: 475,100.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,774.58 : 738,324.48 = 344,119.30 : x
  2. Step 2: Convert to fraction form
    534,774.58/738,324.48 = 344,119.30/x
  3. Step 3: Cross multiply
    534,774.58x = 738,324.48 × 344,119.30
  4. Step 4: Simplify right side
    534,774.58x = 254,071,703,230.46
  5. Step 5: Solve for x
    x = 254,071,703,230.46/534,774.58
  6. Step 6: Final answer
    x = 475,100.56

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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.