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Finding the Fourth Proportional to 534,525.90, 737,054.65 and 340,626.46

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Solution

The fourth proportional to 534,525.90, 737,054.65 and 340,626.46 is: 469,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,525.90 : 737,054.65 = 340,626.46 : x
  2. Step 2: Convert to fraction form
    534,525.90/737,054.65 = 340,626.46/x
  3. Step 3: Cross multiply
    534,525.90x = 737,054.65 × 340,626.46
  4. Step 4: Simplify right side
    534,525.90x = 251,060,310,867.63
  5. Step 5: Solve for x
    x = 251,060,310,867.63/534,525.90
  6. Step 6: Final answer
    x = 469,687.83

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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.