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Finding the Fourth Proportional to 602,573.76, 831,524 and 330,635.04

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Solution

The fourth proportional to 602,573.76, 831,524 and 330,635.04 is: 456,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,573.76 : 831,524 = 330,635.04 : x
  2. Step 2: Convert to fraction form
    602,573.76/831,524 = 330,635.04/x
  3. Step 3: Cross multiply
    602,573.76x = 831,524 × 330,635.04
  4. Step 4: Simplify right side
    602,573.76x = 274,930,971,000.96
  5. Step 5: Solve for x
    x = 274,930,971,000.96/602,573.76
  6. Step 6: Final answer
    x = 456,261.11

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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.