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Finding the Fourth Proportional to 602,394.56, 831,310.92 and 330,462.92

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Solution

The fourth proportional to 602,394.56, 831,310.92 and 330,462.92 is: 456,042.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,394.56 : 831,310.92 = 330,462.92 : x
  2. Step 2: Convert to fraction form
    602,394.56/831,310.92 = 330,462.92/x
  3. Step 3: Cross multiply
    602,394.56x = 831,310.92 × 330,462.92
  4. Step 4: Simplify right side
    602,394.56x = 274,717,434,051.09
  5. Step 5: Solve for x
    x = 274,717,434,051.09/602,394.56
  6. Step 6: Final answer
    x = 456,042.36

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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.