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Finding the Fourth Proportional to 534,401.73, 737,459.91 and 304,954.79

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Solution

The fourth proportional to 534,401.73, 737,459.91 and 304,954.79 is: 420,829.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,401.73 : 737,459.91 = 304,954.79 : x
  2. Step 2: Convert to fraction form
    534,401.73/737,459.91 = 304,954.79/x
  3. Step 3: Cross multiply
    534,401.73x = 737,459.91 × 304,954.79
  4. Step 4: Simplify right side
    534,401.73x = 224,891,928,300.17
  5. Step 5: Solve for x
    x = 224,891,928,300.17/534,401.73
  6. Step 6: Final answer
    x = 420,829.34

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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.