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Finding the Fourth Proportional to 609,327.90, 842,477.67 and 533,659.50

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Solution

The fourth proportional to 609,327.90, 842,477.67 and 533,659.50 is: 737,855.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,327.90 : 842,477.67 = 533,659.50 : x
  2. Step 2: Convert to fraction form
    609,327.90/842,477.67 = 533,659.50/x
  3. Step 3: Cross multiply
    609,327.90x = 842,477.67 × 533,659.50
  4. Step 4: Simplify right side
    609,327.90x = 449,596,212,133.37
  5. Step 5: Solve for x
    x = 449,596,212,133.37/609,327.90
  6. Step 6: Final answer
    x = 737,855.94

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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.