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Finding the Fourth Proportional to 602,377.61, 831,604.88 and 465,266.84

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Solution

The fourth proportional to 602,377.61, 831,604.88 and 465,266.84 is: 642,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,377.61 : 831,604.88 = 465,266.84 : x
  2. Step 2: Convert to fraction form
    602,377.61/831,604.88 = 465,266.84/x
  3. Step 3: Cross multiply
    602,377.61x = 831,604.88 × 465,266.84
  4. Step 4: Simplify right side
    602,377.61x = 386,918,169,034.20
  5. Step 5: Solve for x
    x = 386,918,169,034.20/602,377.61
  6. Step 6: Final answer
    x = 642,318.31

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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.