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Finding the Fourth Proportional to 627,901.20, 941,851.80 and 606,249.90

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Solution

The fourth proportional to 627,901.20, 941,851.80 and 606,249.90 is: 909,374.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,901.20 : 941,851.80 = 606,249.90 : x
  2. Step 2: Convert to fraction form
    627,901.20/941,851.80 = 606,249.90/x
  3. Step 3: Cross multiply
    627,901.20x = 941,851.80 × 606,249.90
  4. Step 4: Simplify right side
    627,901.20x = 570,997,559,564.82
  5. Step 5: Solve for x
    x = 570,997,559,564.82/627,901.20
  6. Step 6: Final answer
    x = 909,374.85

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Double scale
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Similar ratio
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1.5x scale

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.