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Finding the Fourth Proportional to 534,615.85, 737,178.82 and 340,716.68

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Solution

The fourth proportional to 534,615.85, 737,178.82 and 340,716.68 is: 469,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,615.85 : 737,178.82 = 340,716.68 : x
  2. Step 2: Convert to fraction form
    534,615.85/737,178.82 = 340,716.68/x
  3. Step 3: Cross multiply
    534,615.85x = 737,178.82 × 340,716.68
  4. Step 4: Simplify right side
    534,615.85x = 251,169,120,259.98
  5. Step 5: Solve for x
    x = 251,169,120,259.98/534,615.85
  6. Step 6: Final answer
    x = 469,812.34

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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.