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Finding the Fourth Proportional to 602,262.67, 831,175.81 and 330,383.55

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Solution

The fourth proportional to 602,262.67, 831,175.81 and 330,383.55 is: 455,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,262.67 : 831,175.81 = 330,383.55 : x
  2. Step 2: Convert to fraction form
    602,262.67/831,175.81 = 330,383.55/x
  3. Step 3: Cross multiply
    602,262.67x = 831,175.81 × 330,383.55
  4. Step 4: Simplify right side
    602,262.67x = 274,606,814,781.93
  5. Step 5: Solve for x
    x = 274,606,814,781.93/602,262.67
  6. Step 6: Final answer
    x = 455,958.55

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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.