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Finding the Fourth Proportional to 602,797.59, 831,855.42 and 330,876.90

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Solution

The fourth proportional to 602,797.59, 831,855.42 and 330,876.90 is: 456,607.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,797.59 : 831,855.42 = 330,876.90 : x
  2. Step 2: Convert to fraction form
    602,797.59/831,855.42 = 330,876.90/x
  3. Step 3: Cross multiply
    602,797.59x = 831,855.42 × 330,876.90
  4. Step 4: Simplify right side
    602,797.59x = 275,241,742,617.80
  5. Step 5: Solve for x
    x = 275,241,742,617.80/602,797.59
  6. Step 6: Final answer
    x = 456,607.24

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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.