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Finding the Fourth Proportional to 367,735.40, 551,603.10 and 328,077.80

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Solution

The fourth proportional to 367,735.40, 551,603.10 and 328,077.80 is: 492,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,735.40 : 551,603.10 = 328,077.80 : x
  2. Step 2: Convert to fraction form
    367,735.40/551,603.10 = 328,077.80/x
  3. Step 3: Cross multiply
    367,735.40x = 551,603.10 × 328,077.80
  4. Step 4: Simplify right side
    367,735.40x = 180,968,731,521.18
  5. Step 5: Solve for x
    x = 180,968,731,521.18/367,735.40
  6. Step 6: Final answer
    x = 492,116.70

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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.