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Finding the Fourth Proportional to 627,907.92, 941,894.55 and 207,216.60

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Solution

The fourth proportional to 627,907.92, 941,894.55 and 207,216.60 is: 310,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,907.92 : 941,894.55 = 207,216.60 : x
  2. Step 2: Convert to fraction form
    627,907.92/941,894.55 = 207,216.60/x
  3. Step 3: Cross multiply
    627,907.92x = 941,894.55 × 207,216.60
  4. Step 4: Simplify right side
    627,907.92x = 195,176,186,209.53
  5. Step 5: Solve for x
    x = 195,176,186,209.53/627,907.92
  6. Step 6: Final answer
    x = 310,835.68

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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.