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Finding the Fourth Proportional to 484,603.80, 727,683.30 and 327,528.60

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Solution

The fourth proportional to 484,603.80, 727,683.30 and 327,528.60 is: 491,818.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,603.80 : 727,683.30 = 327,528.60 : x
  2. Step 2: Convert to fraction form
    484,603.80/727,683.30 = 327,528.60/x
  3. Step 3: Cross multiply
    484,603.80x = 727,683.30 × 327,528.60
  4. Step 4: Simplify right side
    484,603.80x = 238,337,092,492.38
  5. Step 5: Solve for x
    x = 238,337,092,492.38/484,603.80
  6. Step 6: Final answer
    x = 491,818.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.