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Finding the Fourth Proportional to 602,171.94, 831,034.06 and 347,539.52

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Solution

The fourth proportional to 602,171.94, 831,034.06 and 347,539.52 is: 479,625.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,171.94 : 831,034.06 = 347,539.52 : x
  2. Step 2: Convert to fraction form
    602,171.94/831,034.06 = 347,539.52/x
  3. Step 3: Cross multiply
    602,171.94x = 831,034.06 × 347,539.52
  4. Step 4: Simplify right side
    602,171.94x = 288,817,178,316.05
  5. Step 5: Solve for x
    x = 288,817,178,316.05/602,171.94
  6. Step 6: Final answer
    x = 479,625.77

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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.