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Finding the Fourth Proportional to 602,703.46, 831,703.35 and 330,765.96

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Solution

The fourth proportional to 602,703.46, 831,703.35 and 330,765.96 is: 456,441.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,703.46 : 831,703.35 = 330,765.96 : x
  2. Step 2: Convert to fraction form
    602,703.46/831,703.35 = 330,765.96/x
  3. Step 3: Cross multiply
    602,703.46x = 831,703.35 × 330,765.96
  4. Step 4: Simplify right side
    602,703.46x = 275,099,156,997.97
  5. Step 5: Solve for x
    x = 275,099,156,997.97/602,703.46
  6. Step 6: Final answer
    x = 456,441.97

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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.