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Finding the Fourth Proportional to 602,546.27, 831,587.60 and 347,897.03

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Solution

The fourth proportional to 602,546.27, 831,587.60 and 347,897.03 is: 480,140.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,546.27 : 831,587.60 = 347,897.03 : x
  2. Step 2: Convert to fraction form
    602,546.27/831,587.60 = 347,897.03/x
  3. Step 3: Cross multiply
    602,546.27x = 831,587.60 × 347,897.03
  4. Step 4: Simplify right side
    602,546.27x = 289,306,856,224.83
  5. Step 5: Solve for x
    x = 289,306,856,224.83/602,546.27
  6. Step 6: Final answer
    x = 480,140.48

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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.