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Finding the Fourth Proportional to 608,261.53, 839,327.65 and 336,292.69

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Solution

The fourth proportional to 608,261.53, 839,327.65 and 336,292.69 is: 464,043.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,261.53 : 839,327.65 = 336,292.69 : x
  2. Step 2: Convert to fraction form
    608,261.53/839,327.65 = 336,292.69/x
  3. Step 3: Cross multiply
    608,261.53x = 839,327.65 × 336,292.69
  4. Step 4: Simplify right side
    608,261.53x = 282,259,753,209.88
  5. Step 5: Solve for x
    x = 282,259,753,209.88/608,261.53
  6. Step 6: Final answer
    x = 464,043.41

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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.