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Finding the Fourth Proportional to 602,778.51, 831,844.89 and 330,871.84

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Solution

The fourth proportional to 602,778.51, 831,844.89 and 330,871.84 is: 456,608.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,778.51 : 831,844.89 = 330,871.84 : x
  2. Step 2: Convert to fraction form
    602,778.51/831,844.89 = 330,871.84/x
  3. Step 3: Cross multiply
    602,778.51x = 831,844.89 × 330,871.84
  4. Step 4: Simplify right side
    602,778.51x = 275,234,047,269.29
  5. Step 5: Solve for x
    x = 275,234,047,269.29/602,778.51
  6. Step 6: Final answer
    x = 456,608.92

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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.