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Finding the Fourth Proportional to 627,735.60, 941,603.40 and 375,793.20

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Solution

The fourth proportional to 627,735.60, 941,603.40 and 375,793.20 is: 563,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,735.60 : 941,603.40 = 375,793.20 : x
  2. Step 2: Convert to fraction form
    627,735.60/941,603.40 = 375,793.20/x
  3. Step 3: Cross multiply
    627,735.60x = 941,603.40 × 375,793.20
  4. Step 4: Simplify right side
    627,735.60x = 353,848,154,816.88
  5. Step 5: Solve for x
    x = 353,848,154,816.88/627,735.60
  6. Step 6: Final answer
    x = 563,689.80

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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.