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Finding the Fourth Proportional to 602,400.79, 831,308.17 and 326,757.95

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Solution

The fourth proportional to 602,400.79, 831,308.17 and 326,757.95 is: 450,923.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,400.79 : 831,308.17 = 326,757.95 : x
  2. Step 2: Convert to fraction form
    602,400.79/831,308.17 = 326,757.95/x
  3. Step 3: Cross multiply
    602,400.79x = 831,308.17 × 326,757.95
  4. Step 4: Simplify right side
    602,400.79x = 271,636,554,030.25
  5. Step 5: Solve for x
    x = 271,636,554,030.25/602,400.79
  6. Step 6: Final answer
    x = 450,923.31

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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.