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Finding the Fourth Proportional to 602,186.34, 831,015.86 and 347,537.54

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Solution

The fourth proportional to 602,186.34, 831,015.86 and 347,537.54 is: 479,601.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,186.34 : 831,015.86 = 347,537.54 : x
  2. Step 2: Convert to fraction form
    602,186.34/831,015.86 = 347,537.54/x
  3. Step 3: Cross multiply
    602,186.34x = 831,015.86 × 347,537.54
  4. Step 4: Simplify right side
    602,186.34x = 288,809,207,685.38
  5. Step 5: Solve for x
    x = 288,809,207,685.38/602,186.34
  6. Step 6: Final answer
    x = 479,601.06

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1.5x scale

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.